Moist Sweet Potato Brownie Cake

Moist Sweet Potato Brownie Cake

Preparation: 10 minutes
Baking: 25 minutes
Cooling: 10 minutes
Total time: Approximately 30 minutes
Yields: About 9 squares

A hand lifts a chocolate chip brownie from a stack of two brownies on a plate, with more brownies and crumbs visible in the background.

How To Make Moist Sweet Potato Brownie Cake

Various baking ingredients, including chocolate chips, flour, cocoa powder, vanilla, eggs, pumpkin puree, brown sugar, baking powder, salt, and oil, arranged in bowls on a marble surface.

Ingredients

  • 1 1/2 cups sweet potato purée (cooked and mashed)
  • 1/2 cup unsalted butter, melted
  • 3 eggs
  • 3/4 cup brown sugar
  • 3/4 cup chocolate chips
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3/4 cup all-purpose flour
  • 1/2 cup cocoa powder
Two plates with chocolate chip brownies, a small bowl of cocoa powder, and a dish with cubed orange fruit on a white surface with scattered chocolate chips and crumbs.
A hand placing a brownie square on top of a stack of two brownies, all topped with chocolate chips, on a plate.

Step-by-Step Guide

1. Preheat the oven:

Preheat the oven to 350°F (175°C). Grease or line a 9 x 9 inch (or similar) baking pan with parchment paper.

2. Mix the wet ingredients:

In a large bowl, whisk the mashed sweet potato, melted butter, and brown sugar until smooth.

Then add the eggs and vanilla extract, mixing well until well combined.

3. Add the dry ingredients:

Sift the cocoa powder, flour, baking soda, and salt. Mix gently until combined.

4. Add the chocolate chips:

Fold in the chocolate chips, reserving some for sprinkling if desired.

5. Bake:

Pour the batter into the prepared pan and spread evenly. Optionally, sprinkle the top with more chocolate chips.

Bake for 25 minutes, or until a toothpick inserted near the center comes out with some moist crumbs (but not wet batter).

A square chocolate chip cake with cracks on top, baked in a glass dish lined with parchment paper, sits on a marble surface.

6. Cool and serve:

Let cool for about 10 minutes before cutting into squares.

A plate with four chocolate chip brownies stacked on a white surface, with a small bowl of orange cubes nearby.
A stack of three chocolate brownies with chocolate chips sits on a round beige plate, with more brownies blurred in the background.

Notes:

  • Mashed Potato Texture: Make sure the sweet potato is well cooked and mashed; use a mixer to achieve a smooth texture.
  • Sweetness: Add up to 1/4 cup more sugar, according to your preference.
  • Add Nuts: Try chopped walnuts or pecans for a crunchy texture.
  • Storage: Stores well in an airtight container at room temperature for 2 to 3 days, or refrigerate for up to 5 days.
  • Gluten-free: Substitute all-purpose flour with a gluten-free baking mix in a 1:1 ratio. Finely ground oats (oat flour) also works.
A stack of three chocolate chip brownies on a beige plate, with brownie crumbs and a few chocolate chips scattered around.
A stack of three chocolate brownies topped with chocolate chips on a white plate, with more brownies visible underneath.

Moist Sweet Potato Brownie Cake

Print Recipe
A hand holds a thick, moist chocolate brownie topped with chocolate chips against a blurred background.
Prep Time:10 minutes
Cook Time:25 minutes
Total Time:35 minutes

Ingredients

  • 1 1/2 cups sweet potato purée cooked and mashed
  • 1/2 cup unsalted butter melted
  • 3 eggs
  • 3/4 cup brown sugar
  • 3/4 cup chocolate chips
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3/4 cup all-purpose flour
  • 1/2 cup cocoa powder

Instructions

  • Preheat the oven: Preheat the oven to 350°F (175°C). Grease or line a 9 x 9 inch (or similar) baking pan with parchment paper.
  • Mix the wet ingredients: In a large bowl, whisk the mashed sweet potato, melted butter, and brown sugar until smooth. Then add the eggs and vanilla extract, mixing well until well combined.
  • Add the dry ingredients: Sift the cocoa powder, flour, baking soda, and salt. Mix gently until combined.
  • Add the chocolate chips: Fold in the chocolate chips, reserving some for sprinkling if desired.
  • Bake: Pour the batter into the prepared pan and spread evenly. Optionally, sprinkle the top with more chocolate chips. Bake for 25 minutes, or until a toothpick inserted near the center comes out with some moist crumbs (but not wet batter).
  • Cool and serve: Let cool for about 10 minutes before cutting into squares.

Notes

  • Mashed Potato Texture: Make sure the sweet potato is well cooked and mashed; use a mixer to achieve a smooth texture. Sweetness: Add up to 1/4 cup more sugar, according to your preference.
  • Add Nuts: Try chopped walnuts or pecans for a crunchy texture.
  • Storage: Stores well in an airtight container at room temperature for 2 to 3 days, or refrigerate for up to 5 days.
  • Gluten-free: Substitute all-purpose flour with a gluten-free baking mix in a 1:1 ratio. Finely ground oats (oat flour) also works.
Servings: 9 squares
Plates of stacked chocolate brownies with chocolate chips on a white countertop, surrounded by cocoa powder and a bowl of orange cubed ingredients.
A stack of three chocolate chip brownies is displayed on a plate, with more brownies and ingredients visible in the background.

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