If you're allergic to dairy or vegan, you can use soya milk or various other non-dairy milks.
Applesauce can be used for 1/2 of the eggs in a cake or coolkie reciepe
Beer is used in recipes to add flavour (hops), but also to add yeast and carbonation which help in the consistency of the final product. You can use hard cider or cub soda, but the flavour will be...
Yes just adjust your spices accordingly.
sweet and sour and nice gravy