Gluten-Free Sugar Cookie Bars (Soft & Chewy)

Soft Sugar Cookie Bars are frosted with a thick, fluffy layer of buttercream and loaded with funfetti sprinkles for an easy gluten-free dessert bar recipe!

Unbalanced

% Daily Values based on a 2,000 calorie diet

Step 1

Preheat the oven to 350ºF. Spray a 9X13 baking pan with cooking spray and set aside.

Step 2

In a large bowl cream together the butter and sugar together until very pale, light, and fluffy, about 3 minutes. Beat in egg, yolk, and vanilla until well mixed.

Step 3

To the bowl add the salt, baking powder, baking soda, and cornstarch. Mix well. Gradually add in the flour and beat on low speed until just combined. The dough will be very thick. Stir in sprinkles or mix on low speed.

Step 4

Spread the cookie mixture in the prepared baking pan. Bake for 23-25 minutes (about 2-3 minutes longer if using gluten free flour) until a toothpick inserted in middle comes clean. The bars will be lightly browned. Allow the bars to cool completely on wire rack before frosting.

Step 5

In a large bowl beat the butter until light and creamy. Add the powder sugar, heavy cream, vanilla, and pinch of salt. Gradually mix on low speed until well mixed.

Step 6

Increase mixer to high and beat until very light and fluffy, about 5-7 minutes. TIP: Beating for a long time is what makes this frosting extremely fluffy. Mix in food coloring, if using.

Step 7

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