- 1 small zucchini, cut into 1/4-inch slices
- 2 cups broccoli florets
- 1/2 cup shredded carrot
- 12 slices white bread, crusts trimmed
- 1 cup cubed fully cooked ham
- 1 (8 ounce) can mushroom stems and pieces, drained
- 1 cup shredded sharp Cheddar cheese
- 1 cup shredded Swiss cheese
- 12 eggs
- 2 1/2 cups milk
- 1/4 cup chopped onion
- 1/2 teaspoon ground mustard
- 1/4 teaspoon salt
- 1/8 teaspoon pepper
- 1 1/2 cups crushed cornflakes
- 1/4 cup butter or margarine, melted
- In a small saucepan, cook the zucchini, broccoli and carrot in a small amount of water until tender; drain. Cut bread in half diagonally; place half of the pieces in a greased 13-in. x 9-in. x 2-in. baking dish. Top with half of the vegetables, ham, mushrooms and cheese. Repeat layers.
- In a bowl, beat the eggs, milk, onion, mustard, salt and pepper; pour over the top. cover and refrigerate for 8 hours or overnight.
- Remove from the refrigerator 30 minutes before baking. Toss cornflakes and butter; sprinkle over the casserole. Bake, uncovered, at 350 degrees F for 50 minutes or until a knife inserted near the center comes out clean. Let stand for 10 minutes before cutting.