Not all of these are healthy substitutes in my opinion, but some are, so use your own judgement. 20 Unique Healthy Food Alternatives --I'm interested to read about some of these things, and I know some of the substitutions only work in some circumstances.
Simple Buttermilk Substitutions - I read another pin saying: Place Tablespoon white vinegar or lemon juice in a liquid measuring cup. Add enough regular milk to bring the liquid up to the cup line. Let stand for 5 minutes, then use in the recipe.