Ingredients

• 1 tablespoon butter
• 1 large onion , diced
• 3 eggs
• 0.33 cups heavy cream
• 0.33 cups shredded Swiss cheese
• 1 , 9 inch

Instructions

1. 1 Preheat oven to 375 degrees F (190 degrees C).
2. 2 Over medium-low heat melt butter in a large saucepan. Add onions and cook slowly, stirring occasionally, until onions are soft.
3. 3 In a small bowl, beat together eggs and cream. Stir in cheese. Spread onions in bottom of pastry shell. Pour egg mixture over onions.
4. 4 Bake in preheated oven for 30 minutes, or until eggs have set.

Nutrition per serving