Spicy Pina Colada Smoothie . Ingredients 1 cup pineapple, canned or fresh 1 cup (8 oz) tofu, firm ½ cup pineapple juice, unsweetened 1 tsp Stevia or other sweetener 1 pinch of red pepper flakes Directions Puree all the ingredients in a blender. Nutrient Analysis Renal Diet Nutrient Analysis Servings per recipe: 2 Serving size: 1/2 of recipe Renal and Diabetic Exchanges 1 protein, 1 starch, 1 fruit What is one exchange? 1 Protein Choice = 1oz of meat or 7g of dietary protein 1 Starch Choice = about 15g of carbohydrates 1 Fruit or Vegetable Choice = ½ cup 1 Milk Choice = ½ cup