Red, White and Black Bean Salad

Bahan-bahan (8 porsi)

• One 15-ounce can white beans
• One 15-ounce can kidney beans
• One 15-ounce can black beans
• One 11-ounce can Mexicorn (or regular corn)
• 3 whole green onions, (chopped)
• 4 tablespoons extra virgin olive oil
• 4 tablespoons red wine vinegar
• ½ teaspoon garlic powder
• ½ teaspoon ground cumin
• ¼ teaspoon salt
• ¼ teaspoon freshly ground black pepper