• 6 large eggs
• 2 cups heavy whipping cream
• 1 tsp salt
• pinch of black pepper
• 3 oz package shredded Parmesan cheese
• 3 oz package shredded Swiss cheese
• 2 tsp baking powder
• 3 tbsp flour
• 2 oz (4 tbsp) butter
• 2 large or 4 small onions, thinly sliced (julienne)
• 2 tbsp sugar

Special Equipment - works well in either a round or oblong baking dish

• round fluted baking dish
• 9" x 13" baking dish

Make Custard

1. Add eggs to a large bowl.  Whisk in heavy cream.  Add salt and pepper
2. Add cheese and whisk to combine.  Add baking powder and flour and whisk to combine
3. Pour into greased baking dish

Caramelize Onions

1. Heat butter in a skillet. Add sliced onions and cook for 15 minutes
2. Add the sugar and caramelize the onions, stirring occasionally, until golden brown (careful not to burn), about 20-30 minutes

Assemble & Bake

1. Preheat oven to 350º
2. Distribute caramelized onions over custard in the baking dish
3. Bake until golden brown crust forms, about 30-45 minutes