Cake Mix Brownies

4.87 from 60 votes
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Cake mix brownies are seriously easy! Use your favorite flavor mix to create delicious brownies with just a few ingredients. 

Cake mix can be used for so many things like these strawberry bars or cake mix lemon cookies. It’s a great thing to keep in your pantry when you want to make a quick dessert. 

Stack of three brownies and chocolate chips.


Can you make brownies from a cake mix? 

Yes and they are so good and simple to make!

Now I am the first to admit, there is nothing better than a homemade brownie, however, sometimes it’s nice to have a quick and easy option for making this chocolate treat. 

So how do you make box cake mix better? Use it to make brownies! 

Why this recipe works

  • Only 3 ingredients!! We won’t count the chocolate chips.
  • Kids can make them. This is a great recipe for kids to make on their own.
  • Flavor options. Don’t feel restricted to chocolate. Try strawberry, lemon or even red velvet.

Ingredients needed

Cake mix –  Choose your favorite. For this recipe, I am using chocolate. 

Vegetable oil – This is the fat used for brownies.

Eggs – Help keep moist and tender. 

Optional add-ins – I am using chocolate chips here, but feel free to use your favorite chips, candy, nuts or nothing at all.

How to make fudgy brownies from cake mix

Scroll down for full printable recipe, ingredients and video.

  1. Ingredients: Pour cake mix, oil, egg in a large bowl. Give it a good stir to fully combine ingredients. 
  2. Fold: Fold in chocolate chips or if you are using something like nuts or candy.
  3. Bake: Preheat oven to 350 degrees F. Place batter in prepared baking dish and cook for 20 minutes or until toothpick comes out clean. 
  4. Cool: Let them cool before cutting to serve. 

cake mix, oil, chocolate chips, eggs, in a bowl and then baked in a baking dish

Is it better to use oil or butter for brownies?

Oil is a great option if you are looking for fudgy brownies. Butter offers more flavor but creates an aeration in the batter that cause them to me more cakey. 


There really are so many ways to jazz these brownies up. Here are a few great add-ins to try:

  • Nuts: Peanuts, walnuts, macadamia nuts and pecans are all delicious. 
  • Candy: M&M’s, Reece’s Pieces, and toffee bits are always delicious.
  • Cake mix: Dark chocolate, Devils food, Lemon, Strawberry, Cherry chip, Red velvet, Butter pecan and Yellow are great as brownies. 
chocolate chip brownies cut in squares

How to store

These are best stored in an airtight container for 4-5 days, but something tells me that won’t last that long. 

Can you freeze these brownies?

These can be frozen. Make sure to let them completely cool. I like to cut mine into individual squares and then place in a freezer safe bag. You can also wrap squares individually in plastic wrap and then place in freezer bag if you would want to thaw them one at a time. 

Recipe notes

  • Make sure to use an 8 x 8 baking dish or pan. 
  • This batter is super thick so don’t be alarmed. Make sure to either grease your baking dish well or line it with parchment paper and spray. 

More amazing ways to use cake mix

***If you made this recipe, be sure to leave a comment and star rating below. 

Full video below. 

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Brownies stacked on each other
4.87 from 60 votes

Cake Mix Brownies

By Heather
Quick and easy brownies from a cake mix.
Prep: 5 minutes
Cook: 20 minutes
Total: 25 minutes
Servings: 10


  • 1 (15.25 oz) box chocolate cake mix or any flavor you like
  • 1/3 cup vegetable oil
  • 2 eggs
  • 1 cup chocolate chips or white chocolate chips


  • Preheat oven to 350 degrees F. Line 8 x 8 -inch baking dish with parchment paper and spray with non-stick spray. (If you don't have parchment, just spray dish.)
  • Mix together cake mix, oil and eggs until combined. Stir in chocolate chips.
  • Spread batter in baking dish and bake for approximately 20 minutes.
  • Let cool before cutting.


YouTube video


Calories: 166kcal | Carbohydrates: 12g | Protein: 2g | Fat: 12g | Saturated Fat: 9g | Cholesterol: 35mg | Sodium: 25mg | Potassium: 12mg | Fiber: 1g | Sugar: 11g | Vitamin A: 88IU | Vitamin C: 1mg | Calcium: 26mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Dessert
Cuisine: American
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Recipe Rating


  1. 5 stars
    Made these today..when i was craving something chocolatey! So easy and so good. I also iced them with a nice thick chocolate icing! I followed the recipe exactly and baked for 20 mins. And they turned out perfectly! A great recipe!

  2. That first photo is SO enticing. I love recipes that are simple and come together like this with things we often already have in the pantry. Thank you for sharing.

  3. Question: How can you tell when done baking? The surface looked cooked at the 20 minutes cook time specified in the recipe. Tried the toothpick test at 20 minutes and it came out gooey. Tested again at every 5 minutes thereafter, but still gooey. Finally took it out at 35 minutes for fear it would become too dry. The toothpick was still gooey when tested on the middle area of the pan and the edges had become more cake than brownie.

      1. No. Made the recipe without chocolate chips. Just used the basic three ingredients – cake mix, ergs and cooking oil.

  4. We really liked this recipe. We used only slightly more oil than was indicated … but the brownie texture was moist and a little chewy. My sons love it!

  5. 5 stars
    Pregnant and craving brownies, but the corner store only had cake mix. This was a helpful recipe! I used chia instead of eggs and it still turned out like chewy brownies. I did need to add a few tablespoons of water to get it to brownie batter consistency but that may be because of the chia.

  6. 2 stars
    “Batter” was so thick I had to knead it like dough. Added an extra egg and some more oil hoping it works out…

    1. The batter is thick but there shouldn’t be a need to add anything extra as you can see in the video.

  7. 5 stars
    Figured I would try out the brownie concoction and it came out really good . Was surprised and satisfied.

  8. I added chopped walnuts, the brownies turned out great. I enjoyed the texture much better than standard brownies. Will definitely bake again and will try other flavor combinations.

  9. 3 stars
    Mine didn’t turn out like brownies at all, it’s just like cake. Not bad but not what I was expecting.