Chocolate Swirl Bars
These chocolate swirl bars have rich and wonderful flavor from brown sugar, pecans, vanilla, and swirls of semisweet chocolate. You will love this simple and delicious cookie bar recipe!

Recipe Ingredients
Find the recipe at the bottom of this post! Here is a quick look at our ingredients.
- Chocolate Chips (We used Semi-Sweet)
- Sweetened Condensed Milk adds richness
- Unsalted Butter
- Brown sugar (We used light brown)
- Unsalted butter (If using salted butter, you can skip the salt in the recipe.)
- Large eggs
- All purpose flourÂ
- Salt
- Vanilla extractÂ
- Chopped pecans (optional but recommended!)
How to Make Chocolate Swirl Bars
You can find the full, printable recipe at the bottom of this post. Here is a quick look at our steps!
- First, preheat the oven to 350 degrees F, grease the pan (and/or line with parchment, leaving an overhang on each side for easy removal of the bars after baking.)
- Prepare the chocolate mixture which is a combination of chocolate chips, sweetened condensed milk, and butter. Heat in a saucepan until smooth and set aside.
- For the brown sugar mixture, stir to combine the melted butter, eggs, brown sugar, and vanilla extract.Â
- Then, gently stir in flour and salt, just until combined– and fold in the chopped pecans.
- Spread half of the brown sugar batter into the pan, and top with the warm chocolate mixture.
- Next, drop batter by the spoonful over the chocolate layer. Spread and swirl the batter over the chocolate layer.
- Bake at 350 degrees F for 30-35 minutes and check or doneness. Move the pan to a cooling rack. Allow to cool completely before cutting into bars. Makes 4-5 dozen.

Thanks so much for stopping by today! We hope that you enjoy the recipe. Make sure to check out our other favorite dessert recipes as well, including dream bars, peanut butter pie, and pecan tarts!

Chocolate Swirl Bars
These delicious Chocolate Swirl Bars have wonderful flavor from brown sugar, vanilla, pecans, and swirls of chocolate!
Ingredients
For the Chocolate Mixture
- 10 oz Chocolate Chips (We used Semi-Sweet)
- 14 oz Sweetened Condensed Milk
- 2 Tablespoons Unsalted Butter
Brown Sugar Batter
- 2 cups light brown sugar (434g)
- 2 sticks unsalted butter, melted (1 cup or 226g)
- 2 eggs, room temperature (If in a hurry, warm the eggs in a bowl of warm water for 5 minutes).
- 2 cups all purpose flour (252g)
- 1 teaspoon salt
- 2 teaspoons vanilla extract (8g)
- 1 cup pecans, chopped
Instructions
- Preheat the oven to 350 degrees F. Grease a 10x15x1" jelly roll pan and/or line with parchment paper (leaving an overhang on each side so that you can easily lift the bars out of the pan.)
For the Chocolate Mixture
- In a medium saucepan, add the chocolate chips, condensed milk, and butter. Stir over low or low-medium heat until smooth. Then, remove from heat. (You could also use a double boiler for this step).
For the Brown Sugar Batter
- In a large mixing bowl, add the melted butter, eggs, brown sugar, and vanilla extract. Stir, until well combined.
- Next, add the flour and salt, stirring just until combined. Then, fold in the chopped pecans.
Filling the Pan and Baking
- Spread half of the brown sugar batter into the pan. Spoon the warm chocolate mixture over the brown sugar batter, spreading to cover.
- Next, drop batter by the spoonful over the chocolate layer. Spread and swirl the batter over the chocolate layer.
- Bake at 350 degrees F for 30-35 minutes and check or doneness. Move the pan to a cooling rack. Allow to cool completely before cutting into bars. Makes 4-5 dozen.
Tried this recipe?Let us know how it was!
