Nil. Preparation Time : 10 min. Serves 6. Ingredients 6 flour tortillas For the filling refried beans grated processed cheese For the topping chopped tomato chopped spring onions guacamole sour cream Method 1. Place the refried beans, cheese, gaucamole, sour cream, tomatoes and spring onions in individual bowls. 2. Let the guests make their own burritos by placing the beans and cheese on the tortillas, then applying a spoonful of guacamole and sour cream and topping with chopped tomatoes and spring onions and finally rolling up the tortillas.