Croque Monsieur - cooking recipe

Ingredients

3/4 cup finely grated gruyere cheese
1 1/2 tablespoons sour cream
1/2 teaspoon dijon-style mustard
4 slices white bread, make it a good quality
4 slices cooked smoked virginia ham (thin slices)
1/4 cup unsalted butter, softened

Preparation

In bowl, stir together Gruyere, sour cream and mustard, and spread mixture evenly over 2 bread slices.
Top with ham and cover each with remaining bread.
Spread tops of sandwiches lightly with 2 tablespoons butter. Invert sandwiches into large skillet; spread remaining 2 tablespoons butter on remaining 2 bread slices.
Grill sandwiches over moderate to high heat, turning them once, 6 to 8 minutes, or until they are golden brown on both sides and cheese has melted.