23 Foolproof Cookie Bar Recipes for Perfect Results Every Time

Bar cookies are the easiest way to enjoy all the flavors you love without the extra effort. These foolproof cookie bar recipes are simple to make, baked in one pan, and designed to deliver perfect results every time.

From classic favorites to indulgent twists, each recipe is made to be soft, chewy, and totally irresistible.

Cookie bars with m&m's. — Photo Credit: Binky’s Culinary Carnival.

A pan of M&M cookie bars adds instant color to any Christmas dessert table and is much faster than rolling individual cookies. Holiday candy melts right into the soft, chewy base, making every slice feel festive.

Get the Recipe: M&M Cookie Bars.

Peanut butter and chocolate come together in a soft holiday bar that’s easier to slice than a full batch of cookies. They pack well for parties and always vanish the minute they hit the dessert spread.

Get The Recipe: Peanut Butter Chocolate Chip Cookie Bars.

Frosted sugar cookie bars bring the fun of holiday cookies without all the rolling and cutting. A soft base and colorful frosting make them a crowd favorite that usually disappears early in the night.

Get The Recipe: Frosted Sugar Cookie Bars.

These Cake Mix Cookie Bars are chockfull of sprinkles and cake batter flavor! They are easy to make with the help of a cake mix.

Get The Recipe: Cake Mix Cookie Bars.

Stack of brown butter sugar cookies. — Photo credit: The Salty Marshmallow.

Take your sugar cookie recipe up a notch with these delicious Brown Butter Sugar Cookie Bars. These are an easy but flavorful dessert made with pantry ingredients and no chill time required.

Get the Recipe: Brown Butter Sugar Cookie Bars.

Amazing Apple Cookies Bars

Stack of apple cookies bars. — Photo credit: Two Kids and a Coupon.

Enjoy fabulous fall flavors with these amazing apple cookies bars. Here is how to make them!

Get the Recipe: Amazing Apple Cookies Bars.

Chocolate Bars — Photo Credit: Pear Tree Kitchen

These chocolate cake mix cookie bars create a soft, sweet layer that fits right in with Christmas potlucks and dessert trays. They’re simple to bake in one pan and usually disappear faster than classic cookies.

Get The Recipe: Chocolate Cake Cookie Bars.

A fudgy brownie layer topped with cookie dough makes this bar feel like two Christmas treats in one. It’s the kind of dessert that vanishes fast because guests can’t resist tasting both layers.

Get The Recipe: Chocolate Chip Cookie Brownie Bars.

Slices of lemon square bars. — Photo credit: Recipe Idea Shop.

These lemon squares are tangy and sweet, with a rich, creamy custard and buttery crust. The recipe is the best one I’ve found for these old-fashioned cookie bars.

Get the Recipe: Lemon Squares Cookie Bars.

Gluten-Free Chocolate Chip Cookie Bars (Vegan, Allergy-Free) — Photo Credit: Strength & Sunshine.

The best Gluten-Free Chocolate Chip Cookie Bars! Soft, chewy, and thick, these easy cookie bars are vegan, eggless, and allergy-free! A quick and simple recipe that’s easier than baking cookies, loaded with melty chocolate chips, and a perfect dessert for parties and potlucks that kids and adults will love!

Get The Recipe: Gluten-Free Chocolate Chip Cookie Bars.

Stack of chocolate cookie bars. — Photo credit: Little Spice Jar.

Soft and chewy chocolate chip cookie bars are easy to make! Unlike chocolate chip cookies, these bars require no chilling. Just prepare the dough and bake it. Seriously some of the best cookie bars you’ll ever have!

Get the Recipe: Easy Chocolate Chip Cookie Bars.

The bright rhubarb flavor adds a refreshing contrast to the richer sweets usually found on Christmas tables. They’re simple to slice and serve, making them a quick addition that stands out among other holiday bars.

Get The Recipe: Easy Almond Flour Rhubarb Cookie Bars.

Cookie bars with m&m's on a plate. — Photo credit: Life Ambrosia.

Easy and chewy Monster Cookie Bars are a perfect afternoon treat for kiddos! Change out the colors of the M&Ms for all of your favorite holidays!

Get the Recipe: Monster Cookie Bars.

Peanut Butter Truffle Cookie Bars are deliciously decadent dessert bars made with store-bought cookie dough and a 3-ingredient peanut butter truffle filling!

Get The Recipe: Peanut Butter Truffle Cookie Bars.

No-Bake Cookie Butter Bars (Vegan)

Cookie butter bars close up. — Photo credit: Caked By Katie.

A chilled cookie butter bar is a gift during the holiday rush, especially when the oven is already doing overtime. Each layer brings a cozy, spiced flavor that feels right at home on a Christmas dessert table.

Get the Recipe: No-Bake Cookie Butter Bars (Vegan).

Cookie bars with pecans. — Photo credit: Liv’s Little Muffins.

Today, I’ve got one of the most delicious but simple cookies you’ll ever make. These graham cracker pecan cookie bars are kind of a play on a 7 layer bar but even better! They’re packed with chocolate chips and pecans but the graham cracker taste still shines through.

Get the Recipe: Graham Cracker Pecan Cookie Bars.

Oats, chocolate, and peanut butter come together in a quick stovetop bar that sets up fast for holiday snacking. They’re perfect for busy December days when you want something sweet without baking trays of cookies.

Get The Recipe: No-Bake Cookie Bars.

Stack of cookie dough bars. — Photo credit: Living Chirpy.

Featuring almond flour, these Cookie Dough Bars are an amazingly delicious treat that will be healthier than your average cookie! Filled with chocolate chips, topped with salt, and coated with a delectable chocolate base, this will so be your family’s favorite treat.

Get the Recipe: Cookie Dough Bars.

Cookie bars on a plate. — Photo credit: Kim Schob.

Chocolate and peanut butter collide in this decadent peanut butter cup cookie bars recipe. If you are a lover of cookies you have to try these homemade chocolate chip cookie bars that are stuffed with peanut butter cups, walnuts and the perfect amount of chocolate chips in each bite.

Get the Recipe: Reeses Peanut Butter Cup Cookie Bars.

Stack of marshmallow cookie bars. — Photo credit: 2 Sisters Mix It Up.

uper thick and chewy, topped with gooey marshmallows, cookie pieces, chocolate candies, and rainbow sprinkles, Marshmallow Crumble Sugar Cookie Bars are an absolute treat. These sugar cookie bars are such a fun dessert, and both kids and adults alike will love them!

Get the Recipe: Marshmallow Crumble Sugar Cookie Bars.

Holiday baking gets a whole lot easier with peanut butter cookie bars that bake in one pan. They cool quickly and slice cleanly, making them a fast favorite at Christmas gatherings.

Get The Recipe: Peanut Butter Cookie Bars.

This Magic Cookie Bars recipe is ooey, gooey, delectably delicious. It requires 7 ingredients you already have in the pantry and 5 minutes of prep time. The easiest most delicious cookie bars you will ever make!

Get The Recipe: Magic Cookie Bars.

S’mores Cookie Bars (with sourdough discard) — Photo Credit: Country Roads Sourdough.

Satisfy your craving for s’mores with these easy-to-make s’mores cookie bars! This delicious recipe features the classic combination of marshmallows and chocolate, all baked into a chewy sourdough cookie bar.

Get The Recipe: S’mores Cookie Bars.