Kit-Kat Brownies Recipe

Wow, these Kit-Kat Brownies are so good! This is perfect for bake sales, fundraisers, or your kid’s school party. You may never make normal brownies again!



  •     1 1/2 sticks butter (plus extra for greasing pan)
  •     1 1/2 cups sugar
  •     2 large eggs
  •     2 tablespoons water
  •     1/2 teaspoon vanilla extract
  •     1/2 teaspoon salt
  •     3/4 cup unsweetened cocoa powder
  •     1/4 tsp baking powder
  •     1/2 cup all purpose flour
  •     5 fun size Kit Kats
  1. Preheat oven to 350 degrees F.
  2. Grease a 9″ by 9″ glass or nonstick cake pan with butter.
  3. Beat the butter and sugar together in a large bowl until blended.
  4. Beat in the eggs 1 at a time then stir in water and vanilla. Sprinkle the salt and baking powder over the mixture, then mix in. Do the same with cocoa. Finally stir in flour until just blended.
  5. Pour 2/3 of batter into prepared pan. Line individual Kit Kats on top of batter. Pour the rest of batter on top to cover candy bars completely.
  6. Bake for 30 – 35 minutes until the center is set and the top cracks a bit.
  7. Cool before cutting.
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36 thoughts on “Kit-Kat Brownies Recipe

  1. 5 fun size Kit Kats? In the picture it appears as if there are 6 regular sized Kit Kat bars used.
    Can you clarify? Thanks!

  2. First of all, I’m no experienced cook, so I probably just made some stupid mistake and screwed everything up. After 35 minutes I went to check on the brownies and they were still very raw, they had grown like hell but were still raw and “jelly like” (I’m sorry, English is not my first language so I don’t know a good expression for this hahaha) If I touched the pan, the mixture would dance! Anyways, after a while it had grown so much it started falling off the pan, the sides were starting to burn but the center was still raw. Then after like an hour I don’t know what happened but it “shrunk”, the sides were all burned and the center was ok. Tomorrow I’ll try the center and see if it’s good or at least eatible hahahaha Then I’ll ask my mom to try and bake this properly :P

    • Are you sure you turned the oven on? Haha, just kidding. Sounds like there was too much self-rising flour. Did your mom ever get a chance to bake it for you? Let us know how it turned out please!

    • You can do that also, just make sure to follow the directions on the brownie mix and add kit kats accordingly. Please let us know how it turns out!

  3. How many small brownies can cut if I use 9×13 pan? I need 38 to take to a cookie exchange…and the 9×9 will not produce enough..can I double it..for the 9×13 pan or will it be fine with the single recipe in the 9×13 pan?

  4. I used 8 king sized kit kats because it made a kit kat crunch in every bite! This recipe is amazing! Never making regular brownies again! :-)

  5. I Just cut my brownies up after following this recipe and they look and taste absolutely delightful :) I cut it into small squares and it made 24. Our batter also didn’t pour but it still turned out beautifully. This is such an easy recipe and a great treat to take anywhere. I certainly recommend this recipe. I put some caramel kit-kats along with normal ones, for extra surprise and they worked well. I love recipe’s that are easy to clean up and this is definitely one of those recipes. Thank you very much!

  6. I just made this and it didn’t pour. Read the comments and now know why. You said put 1 1/2 sticks butter which I researched and came to 340 g but in a comment you said it should be 170g one stick = 113g so not sure how you got 170g. Anyway the brownies are in the oven now so to late.. Hopefully it’s not a total waste of time and money

    • Check your maths. How on earth do you get 340g if 1 ‘stick’ is 113g? If 1 = 113g, then 1.5 would be 113g + half of 113g. So 113g + 56.5g = 169.5g, in other words 170g.

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