Preheat oven to 400 degrees. ... frying pan. Saute onion and mushrooms. Place cheese in ... half in the quiche and the other half to top over egg mixture before baking.
Preheat oven to 325 degrees. ... the can of onions. Pour egg mixture over ... Refrigerate any leftovers. Quiche can be wrapped in freezer ... 40 to 45 minutes.
Mix 1 1/2 cups all-purpose ... frying pan, cook onions in butter over medium heat, ... Line 10 inch quiche dish with pastry. Spread onions. ... degrees for 15 minutes.