Cheese Strata - cooking recipe

Ingredients

12 slices whole wheat or white bread
4 Tbsp. butter, softened
1 c. shredded Cheddar cheese
1 c. shredded Swiss cheese
6 eggs, slightly beaten
1 1/2 c. milk
1 tsp. dry mustard
salt and pepper to taste

Preparation

Butter one side of bread.
Place 6 slices of bread, buttered side up, in a buttered 9 x 13-inch baking pan (Pyrex is good). Sprinkle with cheeses.
Cover with remaining bread slices, buttered side down.