This comes from the May June 1998 Quick Cooking. A wonderful recipe and so easy to do. We had these for lunch yesterday.
1/4 c sour cream
2 T chopped onion
1/2 t dried oregano
1/4 t seasoned salt
8 slices Italian or other white bread
8 bacon strips, cooked and halved
8 slices tomato
4 slices mozzarella cheese
2-3 T butter or margarine
Combine the first four ingredients. Spread on four slices of bread. Top each slice with four bacon pieces, two tomato slices and a slice of cheese. Top with remaining bread. In a skillet over medium heat, melt 2 T butter. Cook sandwiches on both sides until bread is lightly browned and cheese is melted, adding more butter if necessary. Makes 4 sandwiches.