½ cup onion, chopped ½ cup sweet green pepper, chopped 2 cloves garlic, minced 2 teaspoon ground cumin 1 teaspoon chili powder ½ teaspoon salt 1 tablespoon cooking oil 2 ½ cup water 1 cup rice 2 15 ounce can black beans, rinsed and drained Chopped tomatoes (optional) Sliced green onions (optional)