1 (6 1/2 ounce) can tuna, packed in water, drained and flaked
2 tablespoons mayonnaise
2 tablespoons prepared mustard
8 slices white bread
1/2 cup shredded Cheddar cheese
1 1/2 cups milk
1/4 teaspoon hot pepper sauce
1/8 teaspoon pepper
Stir together tuna, mayonnaise and mustard in small bowl.
Place 4 slices of bread in buttered 8-inch square baking pan. Spread tuna mixture evenly over top of bread. Top with cheese. Cover with remaining bread.
Beat together eggs, milk, hot pepper sauce and pepper in small bowl. Pour egg mixture over bread. Cover with plastic; refrigerate for at least 6 hours or overnight.
Heat oven to 350 degrees F. Bake strata until top browns and custard sets, 40 to 50 minutes. Cool on wire rack 10 minutes before serving. Store leftover strata in refrigerator.