Crustless Caramelized Onions and Cheese Recipe

Crustless Caramelized Onions and Cheese Recipe

  • 1 tablespoon butter
  • 2 teaspoons olive oil
  • 1 small onion, diced
  • 3/4 cup heavy whipping cream
  • 3 eggs
  • salt and ground black pepper to taste
  • 3/4 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese
  1. Preheat oven to 350 degrees F (175 degrees C). Grease an 8×8-inch baking dish.
  2. Heat butter and olive oil in a skillet over medium-high heat; cook and stir onion in the heated butter-olive oil until onions soften, about 10 minutes. Transfer onion to a plate to cool.
  3. Whisk cream, eggs, salt, and black pepper in a bowl; stir in mozzarella cheese, Parmesan cheese, and onion. Pour mixture into the prepared baking dish.
  4. Bake in the preheated oven until eggs are set and a knife inserted in the center comes out clean, about 35 minutes.
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