Eggs:  1 tsp baking powder, 1 T water, 1 T white vinegar per egg

Milk:  Nondairy liquid fairly much 1 for 1

Wheat:   1 tsp xanthan gum, 1 c alternative flour

Cornstarch:  Use arrowroot, but cut the amount in half

Vinegar:  Lemon juice

White Flour:  Use a whole grain flour, but increase the amount of moisture in your recipe by 20%.  Cut shortening by 10%.

White Sugar:  Brown sugar, raw sugar, maple sugar, or honey.  If you are subsituting honey, grease the measuring cup first, lessen the amount by 1 T + 1 tsp.  If you are substituting brown sugar or maple sugar, pack it tightly in the cup.