Ingredient:

• 1 tablespoon extra-virgin olive oil
• ½ cup finely chopped red, yellow or white onion (about ½ small onion)
• ½ cup chopped roasted red pepper (jarred is fine) or 1 small red bell pepper, finely chopped
• ¼ teaspoon fine salt, to taste
• 2 cloves garlic, pressed or minced
• ½ teaspoon ground cumin
• 2 cans (15 ounces each) black beans, rinsed and drained, or 3 cups cooked black beans
• ½ cup water
• Freshly ground black pepper, to taste
• 2 tablespoons chopped fresh cilantro
• 1 tablespoon lime juice or 1 teaspoon red wine vinegar, to taste