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Soft, gooey, and loaded with chocolate—these classic Congo Bars are the ultimate dessert bar everyone will love.
1 cup (2 sticks) butter, at room temperature
2 cups brown sugar, packed
3 large eggs, at room temperature
1 tablespoon vanilla extract
1 teaspoon Kosher salt
2 teaspoons baking powder
2 1/2 cups all-purpose flour
1 1/2 cups semi-sweet chocolate chunks
1 cup milk chocolate chips
Preheat oven to 350°F. Line a 9×13-inch baking dish with parchment paper and grease lightly with nonstick spray.
In a large mixing bowl, beat together butter and brown sugar with an electric mixer on medium speed for 2 minutes.
Add eggs, vanilla extract, salt, and baking powder. Mix to combine, scraping down the sides of the bowl.
Reduce mixer speed to low and add flour. Mix until just combined—do not overmix.
Stir in semi-sweet chocolate chunks and milk chocolate chips by hand.
Transfer dough to the prepared baking pan and spread evenly with a rubber spatula.
Bake for 30 minutes, or until edges are golden and the center appears slightly underbaked.
Let cool in the pan for 5 minutes, then lift out using parchment paper and cool completely before slicing.
Cut into bars and serve. Enjoy!
Slightly underbaking keeps the center gooey—just the way Congo Bars should be.
You can swap in white chocolate chips or nuts for variation.
Store leftovers in an airtight container for up to 4 days, or freeze for longer storage.
Find it online: https://allrecipesmade.com/congo-bars/