Combine all of the ingredients in a small mixing bowl and whisk until smooth.
Store in the fridge for up to 2 weeks
If you want to be prepared and cook up your own corned beef/silverside to make your own Rueben sandwich, you'll want to check out this delicious Keto Corned Beef recipe. Instructions include stove top, slow cooker and Instapot/pressure cooker.For a fab recipe for a low carb option for rye bread for a Reuben Sandwich, try this Keto Rye Bread Chaffle . Don't despair if you don't have a chaffle iron or waffle iron, as these can also be made on the stove top in a frying pan. Ready in just minutes!