Taste the tradition of Mexico—now vegetarian—with Rosarita Vegetarian Refried Beans. When you serve Rosarita refried beans, you're giving your family delicious, Mexican flavors. Make your family's next Mexican food night even better with Rosarita. On the stovetop, heat the beans over medium heat in a saucepan until hot, stirring occasionally or microwave in a covered microwave-safe dish on high for two and one-half minutes or until hot. Rosarita Vegetarian Refried Beans have 120 calories per serving with zero fat.