Buttermilk powder is a fine, creamy powder with a mildly tangy flavour and smooth texture. It adds rich dairy flavour and a subtle acidity to a variety of recipes. Ideal for baking, sauces, dressings, marinades, and dry mixes. A convenient way to add the characteristic taste of buttermilk without refrigeration. To rehydrate: Mix 2 tablespoons of buttermilk powder with 1 cup of water.