Zucchini Bars with Brown Butter Frosting

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Right about this time the gardens start to become taken over by zucchini.  There are so many great recipes to make zucchini with.  Zucchini is my favorite vegetable in the garden.  I love them sautéed as a side, I love them in quick breads, and I especially loved them in these bars.  If you don’t have a garden full of zucchini, go to the store right now and buy some.  These bars are so worth it!

These bars were so moist and perfect.  Packed with two whole cups of zucchini.  The best part of these bars was watching my picky eater who hates all foods devour them.  It just puts a smile on face to sneak veggies into recipes.  These were hands down THEE best zucchini bars that I have had.  But let me tell you about my very favorite part.  The browned butter frosting.  This recipe was originally inspired by these banana bread bars.  Mostly for the browned butter frosting.  It literally will change your life.  It is just one extra step that takes boring old frosting to mind blowing.  It gives it a nutty flavor and complements the bars perfectly.  Our family loved these!   You guys will too!

4.6 from 7 reviews
Zucchini Bars with Brown Butter Frosting
 
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Total time
 
Delicious and moist zucchini bars with amazing brown butter frosting!
Author:
Serves: 24
Ingredients
  • 1½ cups granulated sugar
  • 1 cup vegetable oil
  • 3 eggs
  • 2 cups all purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • 1½ teaspoons ground cinnamon
  • 2 cups shredded zucchini (about 3 medium)
  • 1½ cups chopped pecans
  • Brown Butter Frosting:
  • 6 tablespoons butter
  • 6 cups powdered sugar
  • 1 teaspoon vanilla
  • 8 to 10 tablespoons milk
Instructions
  1. Preheat oven to 350 degrees and grease a 15x10x1 inch pan. In a medium mixing bowl, add flour, baking powder, salt, and cinnamon. Set aside.
  2. In a mixer, add sugar, oil and eggs and mix until smooth. Add the dry ingredients to the wet ingredients until incorporated.
  3. Stir in zucchini and chopped pecans. Spread evenly in prepared pan. Cook for 30-40 minutes or until toothpick inserted in center comes clean. Let bars cool completely.
  4. To make the brown butter frosting, heat a medium sized saucepan to medium heat. Add butter and whisk until it turns brown. Add in powdered sugar, vanilla and milk. Stir together until smooth. Spread over cooled bars.

Recipe from Betty Crocker

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Alyssa Rivers

I am Alyssa and the blogger behind The Recipe Critic. I started my blog in June of 2012 as a place to share my passion for cooking. I love trying new things and testing them out with my family.

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  1. I made these last night and they are seriously the best things I have ever eaten in my life. The bars are incredible and the browned butter makes the frosting. Thank you for the recipe!!

  2. OK… I just made these and am stuck on the brown butter frosting. I wondered how the frosting turns out to be so white like in the picture – with brown butter in it. Well, mine didn’t and I don’t taste a nutty flavor like another reviewer did, I just taste powdered sugar. The recipe didn’t say if you are supposed to keep the pan on the heat after adding the sugar and mik/vanilla. I didn’t and I got a thick blob. I put it on the heat and it softened up, but again, I don’t get what is so good about it. I’m not giving up – I will let it cool and frost the bars. Hopefully together they will be good.
    PS .. did a taste test – and they are good. A little after taste with the frosting, but not too bad. A for Bars. B- for frosting. Would probably prefer a cream cheese frosting.

  3. This recipe was amazing! I forgot I didn’t have a shredder for the zucchini so I put mine in a blender. Next time I am going to put raisins in as well. I loved loved loved the frosting! I wasn’t sure if these needed to be refrigerated or not but I put them in the fridge just in case and they were really good cold!

  4. Making these now, but wonder how I could reduce the oil? Can I substitute apple sauce? Might give a nice sweetness. Thoughts?

  5. I just made these. I won’t get to try them until later, but the frosting tasted amazing! I can’t wait to try them. Thank you so much for sharing your recipes!

  6. Made these tonight. Holy smokes they are AMAZING!!! Followed the recipe exactly but baked in a 9×13. Browning the butter makes the icing fantasticly awesome.

  7. I baked these bars this afternoon and my husband & I just got done tasting them. His comment “I could eat 2 or 3 pieces but will only eat 1”. The only change I made was to add pecans on top the frosting — we love pecans. I will freeze some of the bars since there is just the two of us. One suggestion to those making this for the first time — after the frosting is done you need to frost immediately without delay. Since the butter is browned & hot, the frosting will start to harden as it cools when adding the other ingredients. I will definitely bake again.

  8. Just made these, and followed recipe EXACTLY…. bars were flat and dry..any ideas what went wrong?? I want to try making again sometime. Thanks!

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