Red Beans and Rice

Name: Red Beans and Rice
Ingredients: 1 tablespoon olive oil; 2 large cloves garlic, lightly crushed with the side of a knife blade and minced; 1 large red onion, diced; 1 stalk celery, diced; 1 green bell pepper, stem and seeds removed and small diced; 2 (1-pound) cans red kidney beans; 1 teaspoon onion powder; 1 teaspoon salt; 1/4 teaspoon ground black pepper; 1 tablespoon hot sauce; 2 1/2 cups chicken stock; 1 cup white rice; 1 tablespoon butter; 1 tablespoon minced fresh cilantro leaves