Preheat over to 350 degrees. Prepare a baking sheet with parchment paper.
Whisk together dry ingredients: flour, baking powder, and salt and set aside.
In a mixing bowl, blend the butter and sugar until creamy and light. Add egg, almond extract and vanilla extract. Mix well. Slowly add dry ingredients and mix until combined. Dough may be a little crumbly.
Turn out dough into a surface sprinkled with flour. Press into a ball and then roll out to a 1/2 inch thickness. Using cookie cutters, cut your Christmas trees. Carefully lift shaped cookies to the baking sheet.
Bake cookies for 7 to 9 minutes. Do not brown the cookies. Allow cookies to cool for at least 7 minutes on the baking sheet before carefully removing to a cooling rack. Cool completely before decorating.
To make you faux royal icing, remove lid and foil from frosting container. Heat in the microwave on high heat for 30 seconds. Stir well. Repeat in 15 second intervals, stirring each time, until the frosting has melted to a stirrable consistency.
Spread frosting over the cookies and immediately decorate with sprinkles. For larger sprinkles, gently press into the frosting so they will not easily fall off the cookies.
Allow cookies to dry completely or serve immediately.