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Kit Kat Brownies Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 20 reviews
  • Author: Emma
  • Prep Time: 30 minutes
  • Cook Time: 30 minutes
  • Total Time: 4 hours 30 minutes
  • Yield: 12 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

These indulgent Kit Kat Brownies combine rich chocolate goodness with crunchy Kit Kat wafers for a delightful treat perfect for sharing. With a gooey center and crispy chocolate layers, they’re a delicious twist on classic brownies.


Ingredients

Units Scale

Ingredients

  • 1/2 cup unsalted butter (112 grams)
  • 6 ounces 50% dark chocolate (170 grams) (or semi-sweet, finely chop if using bars)
  • 1 cup granulated sugar (200 grams)
  • 2 large eggs (whisked)
  • 1 teaspoon vanilla extract
  • 1/2 cup all-purpose flour (56 grams)
  • 1/4 cup cocoa (20 grams)
  • 1/4 teaspoon salt
  • 6 Kit Kat bars (I used 6 4-finger Kit Kat bars, including crushed Kit Kats on top)

Instructions

  1. Preheat the oven: Preheat the oven to 350F (180C or 170C fan forced). Line an 8×8 inch (20×20 cm) baking pan with baking paper, leaving on overhang around the edges. Alternatively, lightly grease the pan.
  2. Melt butter and chocolate: Add the butter chopped into cubes and finely chopped chocolate/chocolate chips to a large heatproof bowl. Melt using a double boiler over low heat. Or melt in the microwave in short 45-second intervals on medium power, and stir between each interval. Do not microwave on high power (which is often the default) as the chocolate can become grainy.
  3. Add sugar, eggs, and vanilla: Whisk in the sugar, whisked eggs and vanilla extract.
  4. Add dry ingredients: Whisk in the flour, cocoa and salt. If the flour or cocoa are lumpy, sift them into the batter first.
  5. Layer batter: Spoon about 1/2 of the batter into the prepared pan and smooth into an even layer.
  6. Add Kit Kat layer: Place a layer of Kit Kat wafers on top and lightly press down. If you want the pan entirely covered, you will need to trim some wafers. I fit 21 wafers, but I had to trim some.
  7. Top with remaining batter: Carefully drop spoonfuls of the remaining batter over the Kit Kats. Then spread the batter overtop to cover the wafers.
  8. Sprinkle crushed Kit Kats: Chop/crush the remaining wafers and sprinkle over top of the brownie batter.
  9. Bake: Bake in the preheated oven for 25-30 minutes, or until an inserted toothpick comes out clean or with a few damp crumbs. Bake time will vary depending on ovens and how gooey you like your brownies.
  10. Cool completely: Cool the brownies completely before slicing – this will take about 3-4 hours. If you lined the pan with parchment, lift the cooled brownies out of the pan and place on a cutting board. Always slice brownies with a sharp knife and not a table knife.

Notes

  • Do not microwave on high power to avoid grainy chocolate.
  • If the flour or cocoa are lumpy, sift them into the batter first.
  • Trim Kit Kat wafers to cover the pan entirely if desired.
  • Cool brownies completely before slicing for best results.
  • Use a sharp knife to slice brownies, not a table knife.