With electric mixer, beat margarine until creamy. Add sugar, vanilla, and water/oil/baking powder mixture; beat well. Add flour, 1 cup at a time; mix well. Dough will be soft, do not refrigerate.
Use a cookie press and place dough on baking sheet or stone - decorate with colored sugar or sprinkles.
Bake 10-12 minutes (ovens/cooking time may vary). Transfer to cooling rack when done.
For Chocolate Spritz -- decrease flour to 3 cups. Increase sugar to 1 1/4 cups. Add 1/3 cup dairy-free unsweetened cocoa powder to flour. Proceed as recipe directs.
Butter and Margarine: Butter is a dairy product made from cow’s milk. Margarine typically contains milk or soy, but there are milk-free and soy-free versions available.
Corn Substitutions: Corn is a common ingredient in products. Starch, modified food starch, dextrin and maltodextrin can be from corn. Consult with your physician to find out which corn derivatives you need to avoid. Many corn-free options are available in the US. Find out more about corn substitutions.
Gluten: Gluten is a protein found in specific grains (wheat, spelt, kamut, barley, rye). Other grains are naturally gluten-free but may have cross-contact with gluten-containing grains. Look for certified gluten-free products if you need to avoid gluten. Find out more about wheat and gluten substitutions.