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Best Brown Butter Pumpkin Sheet Cake with Cream Cheese Frosting

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This isn’t just another pumpkin cake recipe. The brown butter adds a nutty, caramel-like depth that transforms the entire cake, and the tangy cream cheese frosting balances everything perfectly. It’s the one you’ll make for every fall gathering, every potluck, every time you just need something that feels like a hug.

Ingredients

Scale
  • 1 cup (2 sticks) unsalted butter
  • 1 ¾ cups granulated sugar
  • ½ cup packed light brown sugar
  • 3 large eggs, room temperature
  • 1 cup pumpkin puree
  • ¼ cup vegetable oil
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 2 teaspoons ground cinnamon
  • 1 teaspoon ground ginger
  • ½ teaspoon ground nutmeg
  • ¼ teaspoon ground cloves
  • ½ cup buttermilk, room temperature
  • 8 ounces cream cheese, softened
  • ½ cup (1 stick) unsalted butter, softened
  • 3 cups powdered sugar, sifted
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • ¼ cup chopped pecans or walnuts, toasted (optional)
  • 1 tablespoon pumpkin seeds (pepitas) (optional)
  • A dusting of cinnamon (optional)

Instructions

  1. Brown the butter: Place 1 cup unsalted butter in a light-colored saucepan over medium heat. Stir occasionally as the butter melts. After a few minutes, it will foam and bubble. Continue stirring until the milk solids at the bottom turn golden-amber and you smell a nutty aroma (about 5-7 minutes). Remove from heat immediately and pour into a heat-safe bowl to cool for 10-15 minutes.
  2. Preheat oven to 350°F (175°C). Grease a half-sheet pan (13×18 inches) with butter or non-stick spray, then line with parchment paper, letting it hang over the edges for easy removal.
  3. Mix dry ingredients: In a medium bowl, whisk together 2 cups all-purpose flour, 2 teaspoons baking powder, 1 teaspoon baking soda, ½ teaspoon salt, 2 teaspoons cinnamon, 1 teaspoon ginger, ½ teaspoon nutmeg, and ¼ teaspoon cloves. Set aside.
  4. Combine wet ingredients: In a large mixing bowl, beat the cooled brown butter, 1 ¾ cups granulated sugar, and ½ cup packed light brown sugar with a hand mixer or stand mixer on medium speed for 2-3 minutes until light and fluffy. Add 3 room-temperature eggs one at a time, beating well after each. Scrape down the bowl. Add 1 cup pumpkin puree, ¼ cup vegetable oil, and 2 teaspoons vanilla extract. Beat until well combined.
  5. Alternate adding dry ingredients and buttermilk: With the mixer on low, add about one-third of the dry ingredients to the wet mixture, mixing just until combined. Add half of the ½ cup buttermilk and mix. Repeat with another third of dry ingredients, remaining buttermilk, and final third of dry ingredients. Stop mixing as soon as the flour disappears.
  6. Bake the cake: Pour batter into the prepared pan and spread evenly. Tap the pan gently on the counter to release air bubbles. Bake for 20-25 minutes, or until a toothpick inserted in the center comes out clean or with a few moist crumbs. Cool in the pan on a wire rack for 15 minutes, then lift out using parchment handles and cool completely on the rack.
  7. Make the cream cheese frosting: In a large bowl, beat 8 ounces softened cream cheese and ½ cup softened butter together on medium speed until smooth and creamy (about 2 minutes). Add 1 teaspoon vanilla extract and a pinch of salt. Gradually add 3 cups sifted powdered sugar, one cup at a time, beating on low until incorporated. Increase speed to medium-high and beat for 2-3 minutes until light, fluffy, and spreadable. If too soft, refrigerate for 15 minutes.
  8. Frost and serve: Once the cake is completely cool, spread the frosting evenly over the top. Sprinkle with optional toasted pecans, walnuts, or pumpkin seeds. Slice into squares and serve at room temperature or slightly chilled.

Notes

Don’t rush the brown butter; watch for amber color and nutty aroma. Room temperature ingredients matter—take eggs and buttermilk out 30 minutes before baking. Measure flour using the spoon-and-level method. Check for doneness early (at 18 minutes). Let the cake cool completely before frosting to avoid a melty mess. The cake can be stored covered in the refrigerator for up to 5 days, and flavors deepen after a day. Freeze unfrosted cake for up to 3 months.

Nutrition

Keywords: pumpkin sheet cake, brown butter, cream cheese frosting, fall dessert, pumpkin cake, sheet cake, easy pumpkin dessert

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