Sugar Cookie Bars are a huge hit in my house any time of year, from after school snacking to movie nights and parties — we love them! This easy recipe is perfect all year round as you can easily make them your own with your favorite flavorings and toppings. My sugar cookie recipe uses sour cream, it’s a not-so-secret secret ingredient that I think makes all the difference! Sugar cookies made with sour cream are fluffier, softer, and more moist than those made without. For more sugar cookie recipes, check out my Frosted Sugar Cookies, Chocolate Sour Cream Sugar Cookies, Frosted Lemon Sour Cream Sugar Cookies, Grandma’s Sour Cream Sugar Cookies, and these festive Christmas Sugar Cookies!

Ingredients Needed:

Butter: use salted butter to enhance the flavors of these cookie bars. If you only have unsalted butter, add a dash of salt to the cookie dough and the frosting. Sugar: white granulated sugar will add sweetness and texture to the cookie bars. Sour Cream: full-fat sour cream adds delicious moisture to these cookies. Egg: binds ingredients and helps the cookie bars rise slightly. Extract: use vanilla extract and almond extract in these cookies for a warm, sweet, nutty flavor that sets these bars apart!  Flour: all-purpose flour works best in these cookies, I haven’t tried these cookies with other types of flour. Baking Powder: to help the cookie dough rise. Salt: to enhance the flavors. Powdered Sugar: for the base of the vanilla frosting. Milk: use full-fat, lower-fat, or dairy-free milk to get the frosting to the right consistency.

Sugar Cookie Bars are so quick and easy to make! Full instructions are included in the recipe card below.

Tips and Notes

Room temperature butter. It’s best to make these cookies using butter that has been brought to room temperature. It will be easier to mix with other ingredients and make the cookie bars fluffier too. Electric mixer. You can use a mixing bowl with a wooden spoon or hand mixer, or use the bowl of a stand mixer with the paddle attachment on it to make the cookie dough (you’ll want the whisk attachment for the frosting).

Change the colors. You can add food coloring to the cookie dough or the frosting to match a special event or occasion. Try pink frosting for Valentine’s Day, or green frosting for St. Patrick’s Day, or red frosting for Christmas sugar cookie bars. Add other toppings. Use any kind or color of sprinkles you like. You could even use chocolate curls, mini chocolate chips, mini M&Ms, Reese’s Pieces, or crushed nuts. Make them fruity. Instead of almond extract, add some lemon juice or lemon extract to the cookies and frosting, then top with some fresh lemon zest!

Serving Suggestions

Serve your cookie bars with glasses of cold milk for a yummy after school snack, or with a hot cup of coffee for an afternoon pick-me-up! If you’re making these bars as part of a dessert table, try my Cream Cheese Brownies, Cinnamon Apple Muffins, M&M Cookies, Almond Joy Brownies, and these Chocolate Peppermint Icebox Cookies on the side for a variety of treats.

Grandma’s Sour Cream Sugar Cookies

Double Chocolate Chip Cookies

Oatmeal Cranberry Cookies

Chai Cookies Recipe

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