Popover Pizza

Ingredients

• 2 Tbsp. oil
• 1 to 2 zucchini, sliced
• 1/3 c. chopped green pepper
• 2/3 c. sliced carrots
• 1 lb. fresh mushrooms, sliced or 1 (8 oz.) can sliced
• 1/3 c. sliced celery
• 1 c. fresh chopped broccoli
• 1 c. chopped cauliflower
• 1 small chopped onion (optional)
• 1 (16 oz.) can tomato sauce
• 1 small can tomato paste
• 1 c. water
• 1 tsp. dried oregano
• 1 tsp. basil
• 1/4 tsp. marjoram
• 1 clove garlic, crushed
• 1/4 tsp. salt
• 16 oz. Mozzarella cheese