1teaspoongluten free baking powderplus 1/4 teaspoon more if using flax instead of egg
1teaspoonxanthan gum or guar gum
In a mixing bowl cream sugar and margarine or shortening until fluffy. Add egg (or flax replacer) and flavoring and beat well.
In another bowl whisk together rice flour, sorghum flour, corn starch,potato starch or tapioca flour, baking powder, xanthan gum, and salt. Mix well. Add to sugar mixture in mixing bowl. Add any other flavorings at this time (ie: orange zest, cinnamon, etc.). Beat until combined. Scrape down mixing bowl and mix again until all combined.
Put dough into cookie press, and press out cookies onto baking sheet. Sprinkle with gluten free decorations, if desired before baking. Bake in an oven preheated to 375 for 8-10 minutes.
Gluten Free Dairy Free Spritz Cookies —https://angelaskitchen.com/2012/12/05/gluten-dairy-free-christmas-cookie-countdown-spritz-cookies/