As I sifted through my pantry last weekend, I stumbled upon a bounty of vibrant Ruby Red Grapefruits, their fragrant aroma igniting a spark of inspiration. That’s when I decided to whip up a delightful Grapefruit Pound Cake, combining the zest of winter citrus with the comforting essence of a classic pound cake. This recipe is not only easy to follow, making it perfect for budding bakers, but it’s also a showstopper that adds a refreshing twist to winter desserts. With a moist crumb and a sweet citrus glaze, this cake is sure to impress at afternoon tea or gather your loved ones for a cozy dessert. Curious about how to transform these luscious fruits into a delectable treat? Let’s dive into the recipe!

Why is Grapefruit Pound Cake So Special?

Bright, Invigorating Flavor: The addition of zesty grapefruit elevates this pound cake, making each bite a refreshing experience.

Simple to Make: With just a few basic ingredients, you can impress everyone with your baking skills—even if you’re a beginner!

Versatile Variations: Feel free to switch things up with flavors like blueberry or peach, similar to my Blueberry Pound Cake or Peach Cobbler Pound Cake.

Perfect for Any Occasion: Whether it’s a winter gathering or an afternoon tea, this cake serves as a delightful centerpiece.

Moist and Tender Texture: Made with Greek yogurt, it yields a soft crumb, while the citrus glaze adds a touch of sweetness that ties it all together.

Indulge your senses with this Ruby Red Grapefruit Pound Cake, the perfect treat to brighten up any day!

Grapefruit Pound Cake Ingredients

For the Cake
All-Purpose Flour – Provides structure; be sure to spoon and level for accuracy.
Baking Powder – Acts as a leavening agent; essential for a good rise.
Baking Soda – Neutralizes the grapefruit’s acidity; don’t skip this for the right balance.
Salt – Enhances flavor and helps balance sweetness; just a pinch goes a long way.
Greek Yogurt/Sour Cream – Adds moisture and tenderness; use full-fat for the best texture.
Vanilla Extract – Deepens flavor; opt for pure vanilla for the richest taste.
Grapefruit Juice – Infuses the cake with a citrusy burst; fresh juice is preferred.
Grapefruit Zest – Adds aromatic oils for enhanced taste; be careful to avoid the bitter pith.
Unsalted Butter – Contributes richness; make sure it’s softened for effective creaming.
Granulated Sugar – Sweetens and helps create a tender crumb; it’s key to that delicious flavor.
Large Eggs – Provides moisture and binds all ingredients; use room temperature for optimal mixing.

For the Glaze
Confectioner’s Sugar – Creates the perfect glaze; adjust consistency with grapefruit juice as needed.

Step‑by‑Step Instructions for Ruby Red Grapefruit Pound Cake

Step 1: Prep Oven
Begin by preheating your oven to 350°F (180°C). Grease a bundt pan generously with butter or non-stick spray to ensure easy release of your beautiful cake later. You’ll want to make sure it’s fully coated, as this will prevent any sticking or tearing during the inversion process.

Step 2: Mix Dry Ingredients
In a large mixing bowl, whisk together 2 cups of all-purpose flour, 1 teaspoon of baking powder, ½ teaspoon of baking soda, and a pinch of salt. This will create a uniform blend, ensuring even distribution of the leavening agents and flavor. Set the dry mixture aside while you prepare the wet ingredients for your grapefruit pound cake.

Step 3: Combine Wet Ingredients
In a separate medium bowl, mix together 1 tablespoon of grapefruit zest, ½ cup of fresh grapefruit juice, 1 teaspoon of vanilla extract, and ½ cup of Greek yogurt. This zesty mixture will infuse your cake with a refreshing flavor. Make sure to stir well, creating a smooth consistency that combines all the vibrant ingredients beautifully.

Step 4: Cream Butter and Sugar
In a large bowl, use an electric mixer to beat 1 cup of softened unsalted butter with 1 ½ cups of granulated sugar for about 2-3 minutes, or until the mixture is light and fluffy. This step is crucial, as it incorporates air into the butter, helping your grapefruit pound cake rise beautifully when baked.

Step 5: Add Eggs
Add 3 large eggs, one at a time, to the creamed butter and sugar, mixing well after each addition. Continue to beat for an additional minute until the batter appears smooth and evenly blended. Room temperature eggs will help create a more cohesive batter, allowing all the flavors to meld together seamlessly.

Step 6: Combine Mixtures
Gradually incorporate the dry ingredients into the creamed mixture, alternating with the wet ingredients. Start with a third of the dry mixture, mix until just combined, then follow with half of the wet mixture. Repeat this process, ending with the dry ingredients. This method ensures a tender crumb in your grapefruit pound cake.

Step 7: Bake
Pour the batter into the prepared bundt pan, spreading it evenly with a spatula. Bake in the preheated oven for 50-55 minutes, or until a toothpick inserted into the center comes out clean. You’ll know it’s done when the edges pull slightly away from the pan and the top springs back when gently pressed.

Step 8: Prepare Glaze
While your cake is cooling, prepare the glaze by whisking together 1 cup of confectioner’s sugar, 2-3 tablespoons of grapefruit juice, and a bit of zest until smooth and pourable. Ensure it’s not too runny; adjust the consistency with more sugar or juice as necessary. This zesty glaze will add the perfect touch to your grapefruit pound cake.

Step 9: Glaze the Cake
After letting the cake cool in the pan for about 10 minutes, carefully invert it onto a wire rack. Once completely cool, drizzle the prepared glaze over the top, letting it cascade down the sides. This delightful topping enhances the vibrant citrus flavor and adds a wonderful sweetness, making your Ruby Red Grapefruit Pound Cake truly irresistible.

How to Store and Freeze Grapefruit Pound Cake

Room Temperature: Keep your grapefruit pound cake covered at room temperature for up to 2 days. This preserves its moisture while allowing you to enjoy it fresh.

Fridge: If you want to extend its shelf life, wrap the cake tightly in plastic wrap and store it in the fridge for up to 5 days. The cool temperature will slow down spoilage.

Freezer: To freeze, slice the cake and wrap each piece individually in plastic wrap, then place them in an airtight container. It can last for up to 3 months, retaining its delightful flavors for future cravings.

Reheating: When you’re ready to enjoy, let the frozen slices thaw in the refrigerator overnight, then warm them slightly in the microwave for about 10-15 seconds to bring back that fresh-baked taste.

Expert Tips for Grapefruit Pound Cake

  • Proper Butter Temperature: Ensure your butter is properly softened to room temperature; this allows for better creaming, leading to a lighter cake.

  • Room Temperature Eggs: Always use room temperature eggs for an evenly blended batter. Cold eggs can cause the mixture to curdle, affecting the final texture of your grapefruit pound cake.

  • Zest Wisely: When zesting your grapefruit, only take the colorful outer layer and avoid the bitter white pith underneath. This will keep your cake vibrant and sweet.

  • Don’t Overmix: Mix your batter just until the dry and wet ingredients are combined. Overmixing can lead to a dense, tough cake, rather than the light and tender crumb you desire.

  • Check for Doneness: Use a toothpick to check if the cake is done; it should come out clean or with just a few crumbs. Every oven is different, so keep an eye on your baking time!

  • Cool Before Glazing: Allow your grapefruit pound cake to cool completely before adding the glaze. This prevents it from melting into the cake and ensures a delightful finish.

What to Serve with Ruby Red Grapefruit Pound Cake

Elevate your dessert experience and create a memorable meal with delightful pairings that complement the zesty sweetness of grapefruit cake.

  • Whipped Cream:
    A dollop of light, airy whipped cream enhances the sweet citrus notes, adding a creamy contrast that melts beautifully with each bite.

  • Vanilla Ice Cream:
    Serve this cake alongside a scoop of rich vanilla ice cream for a luscious combination, as the cold creaminess pairs perfectly with the warm, moist cake.

  • Fresh Berries:
    Top with a mix of fresh blueberries or strawberries to add a pop of color and a burst of juicy freshness that balances the grapefruit flavor.

  • Citrus Salad:
    A vibrant citrus salad made from oranges, lemons, and additional grapefruit creates a refreshing palate cleanser, enhancing the cake’s bright taste while offering a touch of zest.

  • Tea or Coffee:
    Complement the sweet flavors with a cup of Earl Grey tea or a freshly brewed coffee. The warm notes of these beverages enhance the cake’s richness.

  • Chocolate Drizzle:
    For a playful touch, drizzle some dark chocolate over the cake. The bittersweet chocolate contrasts with the citrus glaze, creating a delightful harmony of flavors.

  • Nutty Crumble:
    A sprinkle of toasted nuts adds texture and a savory element, providing a satisfying crunch that pairs beautifully with the moist cake.

  • Sparkling Lemonade:
    For a refreshing drink option, serve this cake with a fizzy glass of sparkling lemonade. The bright, bubbly beverage echoes the zingy grapefruit flavor.

Create a memorable dessert table that celebrates this Ruby Red Grapefruit Pound Cake, ensuring every bite is a journey of delightful tastes and textures!

Grapefruit Pound Cake Variations

Feel free to play around with this delightful cake and tailor it to your taste!

  • Dairy-Free: Substitute Greek yogurt with coconut yogurt for a tropical twist without dairy.
  • Citrus Medley: Use a mix of lemon, orange, and grapefruit for a vibrant citrus explosion in every bite.
  • Gluten-Free: Replace all-purpose flour with a gluten-free blend to delight your gluten-sensitive friends without losing flavor.
  • Honey Sweetened: Swap granulated sugar for honey for a naturally sweetened version—just reduce the liquid components slightly.
  • Nutty Addition: Fold in 1 cup of chopped walnuts or pecans for added crunch and a delightful contrast to the soft cake.
  • Flavor Boost: Add 1 teaspoon of almond extract alongside vanilla for a deeper, aromatic profile reminiscent of marzipan.
  • Spicy Twist: Mix in 1 teaspoon of ground ginger or cinnamon to add warmth and depth to the overall flavor.
  • Berry Swirl: Insert dollops of blueberry jam or fresh berries into the batter before baking for a visually appealing and tasty surprise.

Whether you opt for a fruity delight like the No-Bake Blueberry Cheesecake or a classic like Red Velvet Cake, there are countless ways to make this grapefruit pound cake your own!

Make Ahead Options

These Ruby Red Grapefruit Pound Cakes are perfect for busy home cooks looking to save time! You can prepare the batter up to 24 hours in advance by mixing all the ingredients and storing it in an airtight container in the refrigerator to keep it fresh. Additionally, the cake can be baked and stored at room temperature for up to 3 days; just make sure it’s covered to maintain its moisture. For an even longer option, you can freeze the fully baked cake for up to 3 months. When ready to serve, simply thaw it overnight in the refrigerator and glaze it before presenting—this way, you’ll enjoy a delightful, refreshing dessert without the last-minute rush!

Grapefruit Pound Cake Recipe FAQs

How do I choose the best grapefruit for my pound cake?
Absolutely! When selecting grapefruits, look for those that are heavy for their size and have smooth, unblemished skin. Avoid any with dark spots or wrinkles, as these can indicate over-ripeness. The juiciness of the grapefruit directly affects the flavor of your pound cake, so a fresh, vibrant grapefruit will add a delightful punch to your recipe.

How should I store leftover grapefruit pound cake?
Very! To keep your grapefruit pound cake at its best, cover it with plastic wrap or place it in an airtight container at room temperature for up to 2 days. If you need to store it longer, consider wrapping slices in plastic wrap and placing them in the fridge for up to 5 days or freezing them for up to 3 months.

Can I freeze grapefruit pound cake?
Absolutely! Freezing is a fantastic way to preserve your grapefruit pound cake. First, let it cool completely. Then, slice the cake and wrap each piece individually in plastic wrap, ensuring there’s no air. Place the wrapped slices in an airtight container or freezer bag and store them in the freezer for up to 3 months. When ready to enjoy, thaw the slices in the refrigerator overnight and reheat slightly in the microwave for about 10-15 seconds.

What should I do if my grapefruit pound cake doesn’t rise?
The more the merrier! If your cake doesn’t rise as expected, it could be due to a few factors. First, check if your baking powder and baking soda are fresh; these leavening agents lose potency over time. Make sure to cream the butter and sugar thoroughly to incorporate air, which is essential for a good rise. Lastly, mix only until just combined when adding dry and wet ingredients, as overmixing can lead to a dense cake.

Is this grapefruit pound cake suitable for people with dietary restrictions?
Definitely! If you’re concerned about allergies, this grapefruit pound cake can be made egg-free by substituting eggs with unsweetened applesauce (1/4 cup per egg) or a flaxseed mixture (1 tablespoon of flaxseed meal mixed with 2.5 tablespoons of water per egg). For gluten-free options, try using a 1:1 gluten-free flour blend. Always consult your guests’ specific dietary needs to ensure everyone can enjoy this refreshing treat!

Grapefruit Pound Cake

Zesty Grapefruit Pound Cake: A Refreshing Citrus Delight

Delight in the refreshing taste of Grapefruit Pound Cake, a moist and zesty dessert perfect for any gathering.
Prep Time 20 minutes
Cook Time 55 minutes
Cooling Time 10 minutes
Total Time 1 hour 25 minutes
Servings: 12 slices
Course: Dessert
Cuisine: American
Calories: 350

Ingredients
  

For the Cake
  • 2 cups All-Purpose Flour Spoon and level for accuracy.
  • 1 teaspoon Baking Powder Essential for a good rise.
  • 0.5 teaspoon Baking Soda Neutralizes acidity.
  • a pinch Salt Enhances flavor.
  • 0.5 cup Greek Yogurt Use full-fat for best texture.
  • 1 teaspoon Vanilla Extract Opt for pure vanilla.
  • 0.5 cup Grapefruit Juice Fresh juice is preferred.
  • 1 tablespoon Grapefruit Zest Avoid the bitter pith.
  • 1 cup Unsalted Butter Softened for effective creaming.
  • 1.5 cups Granulated Sugar Key for a tender crumb.
  • 3 large Eggs Use room temperature.
For the Glaze
  • 1 cup Confectioner’s Sugar Adjust consistency with grapefruit juice.

Equipment

  • Bundt pan
  • Mixing bowls
  • electric mixer
  • whisk
  • spatula

Method
 

Step-by-Step Instructions for Ruby Red Grapefruit Pound Cake
  1. Preheat your oven to 350°F (180°C) and grease a bundt pan with butter or non-stick spray.
  2. In a large bowl, whisk together the flour, baking powder, baking soda, and a pinch of salt.
  3. In a medium bowl, mix together the grapefruit zest, grapefruit juice, vanilla extract, and Greek yogurt.
  4. In a large bowl, beat the softened butter with the granulated sugar until light and fluffy.
  5. Add the eggs one at a time, mixing well after each addition.
  6. Gradually incorporate the dry ingredients and wet ingredients into the creamed mixture alternately.
  7. Pour the batter into the prepared bundt pan and bake for 50-55 minutes.
  8. While the cake cools, whisk together the confectioner’s sugar and grapefruit juice for the glaze.
  9. Invert the cake onto a wire rack after 10 minutes and drizzle the glaze over when completely cool.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 50gProtein: 4gFat: 15gSaturated Fat: 9gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 4gCholesterol: 70mgSodium: 200mgPotassium: 150mgFiber: 1gSugar: 30gVitamin A: 300IUVitamin C: 25mgCalcium: 50mgIron: 1mg

Notes

Use room temperature ingredients for better mixing and optimal texture.

Tried this recipe?

Let us know how it was!