Keto Big Mac sauce is a healthier version of the original Big Mac sauce. It's made of mayonnaise, mustard, white vinegar, swerve, smoked paprika, chopped onions, and pickles. This means that it doesn't have as many carbs and sugar as the original! It is a great addition to Keto Big Mac salad that is also super easy to make. This recipe for healthy Big Mac dressing has only 1 net carb per serving.