Start by gathering your ingredients for the Ultimate Irish Pub Sandwiches. Take two slices of rye or sourdough bread and spread butter generously on one side of each slice. Layer a good amount of corned beef on the unbuttered side, followed by a slice of sharp Irish cheddar.

Place a skillet over medium heat and allow it to warm for about 2 minutes. Once hot, gently place your prepared sandwich in the skillet, buttered side down. Lightly press down with a spatula to enhance the browning.

Cook the sandwich for about 3-4 minutes on the first side. Keep an eye on it, aiming for a golden-brown crust, then carefully flip it using a spatula.

Once both sides are beautifully toasted, remove the sandwich from the skillet and let it rest for a minute. Slice it diagonally and serve warm.