Here are some easy substitutions for milk, eggs, and high salicylate foods

instead of 1 egg:
1/3 cup pear sauce for brownies
1/4 cup oil for cakes and cookies
1/2 cup plain unsweetened rice dream rice milk for cakes (cut down other liquids)
3 TBS pureed fruit for cakes
Mashed potatoes, breadcrumbs, cooked oatmeal or rice in savory dishes

instead of butter:
spectrum shortening or canola oil

instead of ketchup:
pear sauce w/ soy sauce added

instead of peanut butter: cashew butter

instead of juice: pure lime juice, sugar, water (limeade)

instead of honey: pure maple syrup

instead of vinegar: lime juice

instead of many spices:
parsley, salt, garlic, onions

instead of traditional pizza:
acceptable flat bread or other pizza crust topped with safflower oil, chopped garlic, and parsley, OR acceptable refried beans and Tofutti vegan cream cheese

instead of ice-cream:
mix frozen banana chunks, rice milk alone or with cashew butter and/or chocolate chips in food processor or blender