Vegetable Pie

Ingredients

• 1 lb. sliced, fresh mushrooms
• 1 medium onion, sliced
• 2 zucchini or yellow squash or 1 each, sliced
• 3 tsp. butter
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 c. grated Mozzarella cheese
• 1 (10-inch) pie shell or 9-inch deep dish (unbaked)
• dash of garlic salt or minced garlic
• 1 sliced tomato
• 1 c. mayonnaise