Zucchini Pizza Casserole

INGREDIENTS

• :
• 4 cups shredded zucchini
• ½ teaspoon salt
• ½ cup shredded cheddar cheese
• ½ cup shredded mozzarella cheese
• 2 eggs, lightly beaten
• 1 pound ground beef*
• 1 cup chopped green pepper
• ½ chopped onion
• 2 small cans mushroom stems & pieces
• ¼ teaspoon garlic powder
• ¼ teaspoon dried oregano
• 15-oz can tomato sauce
• ½ cup grated Parmesan cheese