Gluten Free Linzer Cookies

0 In a large mixing bowl, beat butter and sugar until light and fluffy. Add egg and vanilla extract, continue to mix well.
1 Slowly add flours, salt and cinnamon. Mix until well combined and dough forms, scraping the bowl as needed.
2 Divide the dough in half, wrap in plastic wrap and refrigerate about 1 hour or until firm.
4 Preheat oven to 350°.
3 On a floured surface, use a rolling pin to roll out dough until about 1/4" thick. Use a Linzer cookie press to cut out cookies. Half should be solid cookies, half should have a center cut out. Gather scrap dough and repeat until all dough is used.
7 Transfer cookie cutouts to a parchment lined baking sheet. Bake for 10-12 minutes or until edges are golden.
5 Once cookies are cool, spread whole cookies with jam then top with cut out cookies , pressing together gently, 
6 Dust with confectioner's sugar, if desired. Store cookies in a sealed container at room temperature for a few days, or in the freezer for longer storage.