Principle 10: Make these on the weekend, and use throughout the week--in our quiche, on pizza, or in meat loaf. Although you start with 12 cups of onion, you end up with 2 cups after cooking; the flavor is concentrated, so a little goes a long way.
This recipe goes with Zucchini and Caramelized Onion Quiche
Cooking Light AUGUST 2012
1. Heat a large Dutch oven over medium heat. Add oil and butter; swirl until butter melts. Add onion and salt; cook 15 minutes or until onion begins to soften, stirring occasionally. Reduce heat to medium-low. Cook 50 minutes or until very tender, stirring occasionally. Cook an additional 10 minutes or until browned and caramelized, stirring frequently.
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