I was wondering how to zest-up the traditional brownie recipe and, coincidentally, had a banana as well. If you're a banana-lover, you'll dig this recipe! The banana also moistens the brownie bars, so it's a win-win!

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Recipe Summary

prep:
15 mins
cook:
23 mins
total:
38 mins
Servings:
8
Yield:
1 13x9-inch pan
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Ingredients

8
Original recipe yields 8 servings
The ingredient list now reflects the servings specified
Ingredient Checklist

Directions

Instructions Checklist
  • Preheat oven to 350 degrees F (175 degrees C).

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  • Beat eggs, water, and vegetable oil together in a large bowl until smooth; add brownie mix and stir until the mixture is a smooth batter. Beat mashed banana into batter; fold in walnuts. Pour batter into a 13x9-inch baking dish.

  • Bake in preheated oven until set in the middle, about 23 minutes.

  • Cool brownies at room temperature for 10 to 15 minutes before cutting into bars. Sprinkle confectioners' sugar over the brownies.

Nutrition Facts

476 calories; protein 5.6g 11% DV; carbohydrates 61.5g 20% DV; fat 25.6g 39% DV; cholesterol 46.5mg 16% DV; sodium 228.1mg 9% DV. Full Nutrition

Reviews (7)

Read More Reviews

Most helpful positive review

Rating: 5 stars
12/30/2014
EXCELLENT!! When they first came out of the oven I thought they looked dry and flat -- they weren't! Brought them to the office and they were gone in minutes!! Did not alter the recipe in any way. Read More
(6)

Most helpful critical review

Rating: 3 stars
10/08/2019
I made this according to the instructions. Unfortunately I really didn’t care for them. I think they’re probably only as good as the brownie mix and I had a cheap one. Read More
7 Ratings
  • 5 star values: 5
  • 4 star values: 1
  • 3 star values: 1
  • 2 star values: 0
  • 1 star values: 0
Rating: 5 stars
12/30/2014
EXCELLENT!! When they first came out of the oven I thought they looked dry and flat -- they weren't! Brought them to the office and they were gone in minutes!! Did not alter the recipe in any way. Read More
(6)
Rating: 5 stars
10/15/2014
My inspiration today for making these brownies came from the fact that I had a VERY ripe banana on hand as well as a box of Ghiradelli Chocolate Supreme Brownie mix which was past the "best by..." date (oops!). The banana not only yielded a super moist brownie but added a great subtle banana flavor as well. Very easy very tasty and I would make this recipe again. Read More
(5)
Rating: 5 stars
02/08/2015
Oh man this is sooo good! I just made these and the only difference is that I used pecans because that is what I already had on hand. I'm not even a big fan of brownie but these are really tasty! I'll be making them this way from now on!:D Read More
(3)
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Rating: 5 stars
03/30/2020
I don't know if I like the banana flavor, but I think it makes this a slightly more nutritious alternative. Read More
Rating: 5 stars
06/13/2018
These turned out great! Moist fluffy and delicious. Next time I may even add a second banana. I subbed pecans because that's what I had on hand and they worked just fine instead of walnuts. Read More
Rating: 4 stars
02/15/2019
Followed exactly except did not fold walnuts in. I sprinkled on top on half the pan because not all of my family likes nuts in their brownies. That being said this tasted delicious. I baked for 23 min as written. I think next time I ll bake it less because they were a tad bit drier than my liking. These lean toward a cake like texture than fudgey??. Read More
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Rating: 3 stars
10/07/2019
I made this according to the instructions. Unfortunately I really didn’t care for them. I think they’re probably only as good as the brownie mix and I had a cheap one. Read More