Caramelized Onion And Bacon Mini Quiches

• 2 teaspoons oil
• 1 large onion, finely chopped
• 5 ounces bacon, finely chopped
• 2 1/2 teaspoons whole grain mustard
• black pepper, to taste
• 2 eggs - whites only
• 1/2 cup milk

1. Preheat oven to 400 degrees F. Grease two round mini-muffin pans (24 mini muffins total).
2. Roll out dough to about 1/8 inch thick, or if using package dough, unroll sheets. Cut 24 rounds total from dough with 3-inch cutter. Line each mini-muffin tin with a dough circle. Cover with dishtowel and set aside while preparing filling.
3. Heat oil in a large skillet. Add onion, cover and cook over medium-low heat for 30 minutes, or until golden (caramelized onion is slow-cooked to bring out the sweetness). Transfer to a bowl to cool.
4. Add bacon to the pan and cook until crisp. Mix with the onion. Add mustard and season with pepper. Place a small amount of mixture in each pastry shell, using all of mixture.
5. Pour a small amount of egg whites over each pastry shell over onion/bacon mixture.
6. Bake for 15 - 20 minutes or until puffed and golden. Serve warm or at room temperature.

oil, onion, bacon, whole grain mustard, black pepper, eggs, milk

Taken from food52.com/recipes/32315-caramelized-onion-and-bacon-mini-quiches (may not work)