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Basic Caramelized Onions

Hands-on time 7 mins
Total time 1 hr, 22 mins
Yield Serves 8 (serving size: about 1/4 cup)
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.


  • 3 tablespoons olive oil
  • 1 tablespoon butter
  • 12 cups vertically sliced yellow onion
  • 1/4 teaspoon kosher salt

Nutrition Information

  • calories 126
  • fat 6.7 g
  • satfat 1.7 g
  • monofat 4.1 g
  • polyfat 0.6 g
  • protein 1.9 g
  • carbohydrate 16.1 g
  • fiber 2.9 g
  • cholesterol 4 mg
  • iron 0.4 mg
  • sodium 77 mg
  • calcium 40 mg

How to Make It

  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.