Mexican Bean Salad

Ingredients

• 1 can (15 oz) black beans, rinsed and drained
• 1 can (15 oz) kidney beans, rinsed and drained
• 1 can (15 oz) garbanzo beans (chickpeas), rinsed and drained
• 1 red bell pepper, finely chopped
• 1 green bell pepper, finely chopped
• 1 cup frozen corn kernels, thawed
• 1/2 red onion, finely chopped
• 1/2 cup fresh cilantro, chopped
• 1/3 cup olive oil
• 1/4 cup lime juice
• 2 tablespoons red wine vinegar
• 1 tablespoon ground cumin
• 1 teaspoon chili powder
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1 teaspoon sugar (optional, to balance the acidity)