Ingredients

  • 2 tablespoons vegetable oil
  • 1 cup chopped white onion
  • 4 garlic cloves, chopped
  • 1 large jalapeno chili with seeds, cut lengthwise in half
  • 1 tablespoon dried oregano (preferably Mexican)
  • 1 teaspoon ground cumin
  • 9 1/2 cups water
  • 1 pound dried pinto beans, rinsed
  • 2 tablespoons (packed) dark brown sugar
  • 1 teaspoon salt

Method

  • Heat oil in heavy large pot over medium-high heat.
  • Add onion; saute until translucent, about 3 minutes.
  • Add garlic, chili, oregano, and cumin; saute 1 minute.
  • Add 9 1/2 cups water and beans.
  • Bring to boil.
  • Reduce heat to medium-low, cover, and simmer 1 hour.
  • Discard chili.
  • Add sugar and salt to bean mixture.
  • Simmer uncovered over medium heat until beans are tender and almost all liquid has evaporated, about 1 hour longer.
  • Remove from heat.
  • Using potato masher, coarsely mash most of beans.
  • Season with additional salt, if desired.
  • (Can be prepared 1 day ahead.
  • Cool slightly.
  • Refrigerate until cold, then cover and keep chilled.
  • Rewarm in nonstick saucepan over medium heat, stirring frequently.)