How to Make Low Carb Beef Stroganoff Meatballs | Creamy sauces and keto go perfectly together. This stroganoff sauce is so good you're going to want to lick it from the spoon. It goes perfectly with meatballs for a quick dinner, or pour it on anything else you can think of. Click through to get the recipe and learn the secret ingredient. Macros for the Sauce: 291 Calories, 26g Fat, 3g Net Carbs (5g Carbs - 2g fiber), 4g Protein.