Sausage-Mushroom Breakfast Bake

1 lb bulk pork sausage
2 cups sliced fresh mushrooms
6 cups cubed bread
2 cups shredded sharp cheddar cheese
1 cup chopped fresh tomatoes
10 eggs, lightly beaten
3 cups milk
2 tsp. ground mustard
1/2 tsp. salt
1/4 tsp pepper

In a large skillet, cook sausage and mushrooms over medium heat until mean is no longer pink; drain.  Place half of the bread cubes in a greased 9"x13" baking dish; top with 2 cups sausage mixture and half of the cheese and tomatoes.  Repeat layers.  In a large bowl, combine the eggs, milk, mustard, salt and pepper; pour over bread mixture.
Bake uncovered, at 350 degrees for 50-55 minutes or until a knife inserted near the center comes out clean.  Let stand for 10 minutes before serving.  (serves 12)
-Dana Rae B