Pasta Pizza

1 beaten egg

1/4 cup milk

2 tablespoons grated Parmesan cheese

8 ounces ground beef

1 small onion, chopped (1/3 cup)

1 medium green and/or yellow sweet pepper, cut into 2-inch strips

1 14-1/2-ounce can Italian-style stewed tomatoes

1/2 teaspoon dried Italian seasoning, crushed

1 4-1/2-ounce jar sliced mushrooms, drained

1/4 teaspoon crushed red pepper

1 cup shredded mozzarella cheese (4 ounces)

1 clove garlic, minced