Step 1

Mix together flour, baking powder and salt.

Step 2

Cream together butter and sugar. Add in egg and vanilla and mix until well combined.

Step 3

Add flour mixture, mix well.

Step 4

Press dough into the bottom of a parchment lined 8x8" baking dish.

Step 5

Bake at 350F for 20 to 25 minutes, until just done. Remove from oven and allow to cool completely before frosting.

Step 6

To make the frosting, mix the butter and vanilla until creamy.

Step 7

Slowly add the powdered sugar while continuing to mix, then add the milk 1 tablespoon at a time.

Step 8

Add a few drops of red food coloring and mix until color is evenly distributed.

Step 9

Spread frosting evenly over the top of the sugar cookie, top with sprinkles.