Good Morning Sausage and Egg Casserole

1 pound sausage
2 to 3 slices bread, cut into 1/2-inch cubes (about 2 cups)
2/3 cup diced green and red peppers
1 cup shredded sharp cheddar cheese
6 eggs
2 cups milk
1/2 teaspoon salt
1/2 teaspoon dry mustard

Directions:
In a heavy skillet, crumble the sausage and cook over medium heat until well browned. Remove from heat and drain well. Spray an 11x7-inch baking dish with non-stick cooking spray. Spread bread cubes across bottom of dish. Spread peppers and cooked sausage over the bread cubes; top with shredded cheese. In a bowl, combine eggs, milk , salt, and mustard. Whisk together until well blended; pour over the cheese. Bake 30 to 40 minutes or until egg mixture is set. Remove from oven and let stand for 5 minutes before cutting into squares. Serve hot and refrigerate any leftovers. Makes 6 servings.