what temperature do you cook shortbread at
1 You are wanting lighter than air shortbread here. 2  Using a small cookie scoop, scoop the dough out onto an ungreased baking sheet. 3  Top with sprinkles or a piece of Christmas cherry. 4  Bake them in a 275 degree oven for about 30-35 minutes you want to dry out shortbread in essence, not bake it, thus the low temperature. Bake them in a 275 degree oven for about 30-35 minutes you want to dry out shortbread in essence, not bake it, thus the low temperature. ( 2 If you have a warm kitchen or live in a warm climate, cool the cookies in the fridge then bake.