Quiche Lorraine - cooking recipe

Ingredients

1 (9-inch) pie shell
1 small onion
1/4 c. margarine
1/2 lb. mushrooms
1/4 lb. bacon, cooked and crumbled
1/2 lb. Swiss cheese, grated (may mix with Cheddar cheese)
1/2 tsp. salt
1/4 tsp. nutmeg
1/8 tsp. pepper
2 large eggs
3/4 c. milk

Preparation

You may use ham or sausage or all 3 meats.