1 lb. fresh mushrooms, sliced
1 onion, sliced
2 zucchini or yellow squash, sliced
3-4 tbsp. butter
1/4 tsp. black pepper
1 (10 inch) pie shell, prebaked at 350 degrees for 20 minutes
1 tomato, sliced
1 c. Mozzarella cheese, grated
1 green pepper, sliced
1 tsp. salt
Dash of garlic salt
1 c. mayonnaise

Saute vegetables in butter until crisp, but not soft. Drain well. Add seasonings. Place tomato slices in bottom of prebaked pie shell. Add vegetables. Spread mayonnaise-cheese mixture over vegetables. Bake uncovered at 325 degrees for 45-60 minutes or until golden brown.