April 6, 2022

Fudgy Walnut Brownies with Chocolate Ganache

Prep Time: 15 mins
Cook Time: 30 mins
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These fudgy walnut brownies are sensational! They have a dense fudgy chocolatey brownie base loaded with walnuts and a thin layer of silky smooth chocolate ganache. If you're a chocolate lover, this ones for you!

walnut brownies stacked on top of each other next to a bottle of milk

These walnut brownies are such a classic treat. Like my cosmic brownies, they remind me of those little packaged walnut brownies from Little Debbie's that mom used to pack in my lunch. Except better. A lot better.

They've got a nice crunch from the walnuts, they're super dense and fudgy, and that chocolate ganache on top - omg. It's a game changer. For added measure, I also topped them with more chopped walnuts for a crunchy, smooth, fudgy bite all in one!

ingredients

Salted Butter and Oil: butter brings the moisture while the oil keeps the brownies nice and fudgy!

Brown sugar and sugar: to sweeten up the brownies and make them nice and moist!

Vanilla Extract: to add more complex flavor to the brownies.

Sour cream: to give these walnut brownies a dense fudgy texture and adds more moisture.

Eggs, Flour, Cocoa Powder, and Salt: the dry ingredients that bind the brownies and also add chocolatey flavor.

Chocolate Chips and Heavy cream: for the chocolate ganache.

Walnuts: because these are walnut brownies after all!

walnut brownies cut into rectangles

how to make walnut brownies

  • Start by whisking together the wet ingredients - melted butter, sugar, brown sugar, vanilla extract, eggs, and sour cream.
  • Then add the flour, cocoa powder, and kosher salt. Mix everything together to form a nice batter.
  • Chop up the walnuts and fold them into the batter.
  • Line a 9x9 baking pan with parchment paper and pour batter into the pan. Bake for 30-35 minutes.
steps 1-5 to make walnut brownies
  • Once the brownies have cooled, make the chocolate ganache. Heat heavy cream in the microwave for 1 minutes and add chocolate chips. Let the chocolate chips sit for about 2-3 minutes, then whisk until smooth. (If chocolate isn't fully melted after sitting in heavy, add back into the microwave for 15 seconds and continue to whisk)
  • Pour the chocolate ganache on top of the brownies and top with more chopped walnuts. Set in the refrigerator for 1-2 hours until set.
steps 5-9 to make walnut brownies

tips for making walnut brownies

  • As I mention in all of my brownie recipes, it is better to under bake than over bake your brownies!
  • I recommend using unsweetened cocoa powder that's dutch processed for this walnut brownie recipe.
  • I recommend using a 9x9 baking pan for this recipe, however, if you only have an 8x8 pan, be sure to bake your brownies for 35 minutes, until the center is slightly jiggly.
  • If using unsalted butter, increase salt to ¾ tsp as opposed to ½ tsp.
baked good on a piece of newspaper

more yummy brownie recipes!

brownies cut into rectangles in a bowl

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walnut brownies stacked on top of each other next to a bottle of milk

Fudgy Walnut Brownies

These fudgy walnut brownies have a dense chocolatey brownie base loaded with walnuts and a thin layer of silky smooth chocolate ganache.
Serving: 9
Prep Time: 15 mins
Cook Time: 30 mins
Cooling Time 2 hrs
Calories: 618kcal

Equipment

  • 9x9 Baking Pan
  • Parchment Paper
  • Mixing Bowls

Ingredients

  • 2 large eggs
  • 1 egg yolk
  • 1 cup brown sugar
  • ¼ cup vegetable oil
  • ½ cup salted butter melted
  • 1 tsp vanilla extract
  • 2 tbsps sour cream
  • ½ cup cocoa powder
  • ¾ cup all purpose flour
  • ½ tsp kosher salt
  • ½ cup heavy cream
  • 1 ½ cups semi-sweet chocolate chips
  • 1 cup walnuts chopped

Directions

  • Preheat oven to 350 degrees. Whisk together eggs, egg yolk, brown sugar, vegetable oil, melted butter, and vanilla extract. Then add sour cream and continue to whisk until batter is smooth.
  • Add cocoa powder, flour, and salt. Fold together until a thick batter forms. Chop walnuts and add them to the batter. Fold together.
  • Line a 9x9 baking dish with parchment paper. Pour batter into baking dish and bake for 25-30 minutes, until center of the batter is only slightly jiggly. Allow brownies to cool completely.
  • Make the chocolate ganache - In a microwave safe bowl, add heavy cream. Microwave for 1 minutes. Add chocolate chips and let them sit in the warmed heavy cream for 2-3 minutes, then whisk until smooth. (if chocolate if still lumpy, microwave for another 15 seconds and continue to whisk until smooth)
  • Pour chocolate ganache on top of the brownies. Sprinkle with additional chopped walnuts.

Nutrition

Calories: 618kcal | Carbohydrates: 53g | Protein: 8g | Fat: 44g | Saturated Fat: 19g | Polyunsaturated Fat: 11g | Monounsaturated Fat: 11g | Trans Fat: 1g | Cholesterol: 108mg | Sodium: 243mg | Potassium: 381mg | Fiber: 5g | Sugar: 36g | Vitamin A: 633IU | Vitamin C: 1mg | Calcium: 83mg | Iron: 4mg
Course: Dessert
Cuisine: American
Keyword Brownies, Fudgy Brownies, Walnut Brownies

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    • Hi! The brownies are baked in a 9x9 inch pan so each brownie is 3x3 inches. The nutrition is based of this serving size with 9 brownies yield per recipe.

  1. 5 stars
    I have not had brownies like this since my grandmoms . Perfect texture and moistness. The instructions were clear and the process was fun.