12 thick slices white bread, cut into 1 inch cubes
1/4 cup crumbled cooked bacon
2 cups shredded Cheddar cheese
1 1/2 cups chopped fresh mushrooms (optional)
2 1/2 cups half-and-half
1 teaspoon Dijon mustard
1. Toss cubed bread with bacon, cheese, and mushrooms, and pour into a 9×13 inch baking dish. Whisk together eggs, half-and-half, and mustard until smooth, then pour evenly over cubed bread. Cover dish with plastic wrap, and refrigerate overnight.
2. Preheat oven to 350 degrees F (175 degrees C).
3. Remove plastic wrap from the baking dish, and bake strata in preheated oven until the top is golden brown, and the eggs are set, about 1 hour. Let stand for 10 minutes before serving.