Perfect Black Beans

Ingredients

• 1/2 pound dried black beans
• 1 medium onion, roughly chopped
• 3 fresh garlic cloves, pressed
• 1/2 teaspoon dried oregano leaves
• 1/2 teaspoon ground cumin
• Pinch red pepper flakes
• 2 teaspoons sugar
• 2 tablespoons white wine vinegar
• Salt and freshly ground black pepper
• Chopped scallions, for garnish