Gather your ingredients: 1 oz pineapple juice, 1 oz skimmed milk or unsweetened almond milk, 1 tbsp cream of coconut , 1/2 cup key lime juice, 2 tbsp quark cheese, ice cubes, low-fat whipped cream made with double cream and sweetener , lime zest, and optional sugar-free flavour shot for extra flavour. Blend: In a blender, combine the pineapple juice, skimmed milk or unsweetened almond milk, cream of coconut, key lime juice, quark cheese, and ice cubes. Blend until smooth. Rim the glass: Rim the glass with crushed graham crackers. Pour: Pour the blended mixture into the glass. Top: Top with low-fat whipped cream and a sprinkle of lime zest. Enjoy: Enjoy your refreshing and tangy healthy diet friendly Key Lime Pie Cheesecake Piña Colada! Remember to check the values of any additional ingredients you use, such as the cream of coconut and sugar-free flavour shot.