Ingredients
Method
- Preheat the oven to 350 degrees. Spray a 9x13 inch baking pan with nonstick spray or line with parchment paper.
- In an electric mixer, beat 3/4 cup softened butter and granulated sugar on medium speed for 1 minute until fluffy. Scrape the bowl, then add eggs one at a time, mixing until just combined after each. Mix in 2 teaspoons vanilla extract.
- In a separate bowl, whisk together gluten-free flour, baking powder, and salt. Gradually add dry ingredients to wet ingredients in two batches, mixing on low speed until just combined.
- Scoop the sticky dough into the prepared pan and spread into an even layer. Bake for 20-24 minutes until light golden brown, rotating halfway. Cool completely.
- For the frosting, beat 1 cup softened butter on medium-high speed for 1 minute until pale and creamy. Scrape the bowl.
- Add powdered sugar, milk, vanilla extract, and salt to the butter. Mix on low until mostly wet, then beat on medium speed for 2 minutes, scraping halfway through. Add gel food coloring if desired and beat to combine.
- Spread the frosting onto the cooled bars. Top with gluten-free sprinkles.
- Let the bars sit uncovered for an hour to allow the frosting to set before slicing and serving. Store covered on the countertop for 2-3 days or in the refrigerator for up to 5 days.
Notes
- Avoid over-baking the gluten free sugar cookie bars; they should be lightly golden brown on the edges and set in the center. Over-baking can lead to dry, crumbly bars.
- To ensure your frosting is smooth and lump-free, make sure your butter is truly softened to room temperature and sift the powdered sugar before adding it to the butter.
- For a festive touch, use a variety of colorful gluten-free sprinkles. You can also add a few drops of gel food coloring to the frosting for a vibrant look.
- Storage: Store the frosted bars in an airtight container at room temperature for up to 2-3 days, or in the refrigerator for up to 5 days. They also freeze well for up to 2 months; thaw at room temperature before serving. Nutrition information is an estimate, calculated automatically. Values vary with brands, substitutions and portion sizes.
- To ensure your frosting is smooth and lump-free, make sure your butter is truly softened to room temperature and sift the powdered sugar before adding it to the butter.
- For a festive touch, use a variety of colorful gluten-free sprinkles. You can also add a few drops of gel food coloring to the frosting for a vibrant look.
- Storage: Store the frosted bars in an airtight container at room temperature for up to 2-3 days, or in the refrigerator for up to 5 days. They also freeze well for up to 2 months; thaw at room temperature before serving. Nutrition information is an estimate, calculated automatically. Values vary with brands, substitutions and portion sizes.