Ingredients

• 8 tablespoons butter
• 6 cups onions, sliced in thin 1/2inch circles
• 6 eggs
• 2 cups heavy cream
• 4 tablespoons sugar
• 2 teaspoons salt
• 2 teaspoons baking powder
• 3 tablespoons flour

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Instructions

1. Preheat oven to 350 degrees
2. Melt butter in a skillet, add onions and cook over medium heat until they caramelize and have reached a golden tone. Beat the eggs and slowly add the cream, sugar, salt, baking powder and flour. Mix well.
3. Stir in the onion butter mixture. Pour into a buttered 9 by 13-inch pyrex dish. Bake for 45 minutes