burger pizza

Ingredients

• 1/2 pound lean ground beef
• 2.5 - crackers, crushed
• 2 tablespoons finely chopped onion
• 2 tablespoons finely chopped celery
• 1/2 - egg (or yolk only)
• 1/2 teaspoon worcestershire sauce
• 1/2 teaspoon oregano
• 3 - mushrooms, sliced
• - pepperoni, thinly sliced
• 1/2 - tomato, sliced
• 2 tablespoons green pepper, chopped
• 1/4 teaspoon pepper
• 1/2 cup shredded mozzarella cheese
• 1/2 tablespoon grated parmesan cheese