Martha Stewart Pumpkin Swirl Brownies Recipe

By anabelle

Fact checked by Edward Harrington

Updated October 29, 2026

Martha Stewart pumpkin swirl brownies are a two-batter bar: a deep, fudgy chocolate base with a spiced pumpkin cheesecake ribbon marbled through the top. Each bite gives you dark cocoa, a tangy pumpkin layer, and a soft, dense crumb. This version is an original adaptation inspired by Martha Stewart’s classic entertaining style rather than a copy of her exact formula.

From start to finish you need about 55 minutes, with 20 minutes of hands-on work. The method is simple enough for a weeknight but pretty enough for a holiday dessert table or a fall potluck, where a tray of marbled squares disappears fast.

Why This Martha Stewart Pumpkin Swirl Brownies Works

The swirl stays crisp because the pumpkin layer is a thick cheesecake mixture, not a loose puree. Beating the cream cheese with sugar first gives it structure, so the dollops hold their shape when you drag a knife through.

On the chocolate side, folding the flour in by hand is what keeps the bars fudgy. Stop the moment the dry streaks disappear, and the brownie base stays dense instead of turning cakey.

What You’ll Love About It

You get two desserts in one pan: a rich brownie and a spiced pumpkin cheesecake bar. The figure-eight swirl looks impressive but takes about ten seconds. And the bars slice cleanly and travel well, which makes them a reliable potluck contribution.

Ingredients

You need 15 ingredients, split between the brownie batter and the pumpkin swirl.

For the Brownie Batter

• 1/2 cup (113g) unsalted butter — cut into pieces so it melts evenly with the chocolate.
• 4 ounces (113g) unsweetened chocolate — finely chopped; check the label for 100% cacao.
• 1 1/4 cups (250g) granulated sugar
• 2 large eggs — room temperature, so they don’t seize the warm chocolate.
• 1 teaspoon vanilla extract
• 3/4 cup (94g) all-purpose flour
• 1/4 teaspoon kosher salt

For the Pumpkin Swirl

• 4 ounces (113g) cream cheese — softened, or it will stay lumpy.
• 1/2 cup (100g) granulated sugar
• 1 large egg — room temperature.
• 1/2 cup (122g) canned pumpkin puree — plain puree, not pumpkin pie filling.
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground ginger
• 1/8 teaspoon ground nutmeg
• 1/4 teaspoon kosher salt

Equipment

• 9×9-inch (23x23cm) baking pan — a square metal pan gives the most even bake.
• Parchment paper — enough for a 2-inch overhang on two sides.
• Heatproof bowl — medium size, to sit over the saucepan.
• Saucepan — for the barely simmering water.
• Electric mixer — hand or stand, for the pumpkin layer.
• Butter knife — for the figure-eight swirl.
• Wire rack — to cool the pan completely.

How to Make Martha Stewart Pumpkin Swirl Brownies

Step 1: Heat the Oven and Line the Pan

Preheat the oven to 350°F (175°C). Line a 9×9-inch (23x23cm) baking pan with parchment paper, leaving a 2-inch overhang on two sides, and lightly grease the paper. Don’t skip the overhang; it makes lifting the brownies out clean and prevents cracked edges.

Step 2: Melt the Butter and Chocolate

Set a medium heatproof bowl over a saucepan of barely simmering water and melt 1/2 cup (113g) butter with 4 ounces (113g) chopped unsweetened chocolate, stirring occasionally, until smooth and glossy, about 3 minutes. Pull the bowl off the heat and let it cool for 5 minutes. Add the eggs too soon and they will curdle.

Step 3: Whisk in the Sugar and Eggs

Whisk 1 1/4 cups (250g) granulated sugar into the chocolate mixture until well combined. Whisk in the 2 eggs one at a time until fully incorporated, about 1 minute; the batter should look thick and shiny. Stir in 1 teaspoon vanilla.

Step 4: Fold in the Flour

Add 3/4 cup (94g) flour and 1/4 teaspoon salt and fold with a spatula just until no dry streaks remain. Don’t overmix here, or the gluten develops and the bars turn cakey instead of fudgy. Set the batter aside.

Step 5: Beat the Pumpkin Swirl

In a medium bowl, beat 4 ounces (113g) softened cream cheese with 1/2 cup (100g) granulated sugar on medium speed until smooth, about 1 minute, scraping down the bowl. Beat in the egg, then 1/2 cup (122g) pumpkin puree, 1/2 teaspoon cinnamon, 1/4 teaspoon ginger, 1/8 teaspoon nutmeg and 1/4 teaspoon salt until creamy and fully combined.

Step 6: Layer the Two Batters

Spread about two-thirds of the brownie batter evenly in the prepared pan. Dollop the pumpkin mixture in about 9 mounds over the batter, then spoon the remaining brownie batter in small dollops between them.

Step 7: Swirl in a Figure Eight

Drag a butter knife or thin spatula through the batters in a figure-eight pattern, 4 to 5 times, until marbled. Stop there; over-swirling muddies the colors and destroys the contrast between the deep chocolate and the orange pumpkin.

Step 8: Bake Until Just Set

Bake until the edges are set and a toothpick inserted into the center comes out with a few moist crumbs clinging, 30 to 35 minutes. Avoid overbaking; the residual heat continues to set the brownies as they cool.

Step 9: Cool Completely

Cool completely in the pan on a wire rack, about 1 hour. For the cleanest slices, refrigerate for 30 minutes before cutting.

Step 10: Lift and Slice

Lift the brownies out using the parchment overhang and cut into 16 squares with a sharp knife, wiping the blade between cuts. Store in an airtight container.

What to Serve With It

Serve the squares with a scoop of vanilla ice cream or a spoonful of lightly sweetened whipped cream to play against the dark chocolate. They also sit nicely on a dessert board with apple slices and candied pecans, or beside a hot cup of black coffee.

Tips for the Best Results

• Room temperature eggs — They blend into the warm chocolate without curdling.
• Chop chocolate fine — Small pieces melt faster and more evenly.
• Scrape the bowl — Loose cream cheese lumps mar the pumpkin layer.
• Wipe the blade — A clean knife gives sharp, neat squares.
• Chill before slicing — Cold bars cut with less smearing.
• Pull them early — Slightly underbaked bars firm up as they cool.

Easy Variations

• Warm spice boost — Add 1/4 teaspoon ground cloves to the pumpkin mixture.
• Chocolate chunks — Fold 1/2 cup (85g) chocolate chunks into the brownie batter.
• Toasted nuts — Scatter 1/3 cup (40g) toasted pecans over the swirl before baking.
• Maple note — Swap 2 tablespoons of the brownie sugar for maple syrup.

Storing and Reheating

• At room temperature — Keep in an airtight container for up to 2 days.
• In the fridge — Store up to 5 days; let sit 15 minutes before serving.
• For the freezer — Wrap squares in plastic wrap and bag for up to 3 months.
• To refresh — Warm in a 300°F (150°C) oven for 5 minutes, or microwave 10 to 15 seconds.

Nutrition (per serving)

These values are estimates per serving, based on 16 squares.

FAQs

Can I make Martha Stewart pumpkin swirl brownies recipe ahead of time?

Yes. Bake and cool the bars completely, then refrigerate them for up to 2 days before slicing; the flavor deepens overnight. Slice just before serving for the cleanest edges.

Can I swap the unsweetened chocolate?

Use the same weight of chopped bittersweet chocolate (about 60% cacao), but cut the brownie sugar to 1 cup (200g) to balance the sweetness. Don’t use chocolate chips, which set too firm for a fudgy base.

How do I know when the brownies are done?

Look for set edges and a toothpick in the center that comes out with a few moist crumbs, not wet batter. They will look slightly soft in the middle at 30 minutes, and that is fine.

Why did my swirl sink or turn muddy?

The pumpkin layer was too loose, usually from under-beating the cream cheese or using watery puree. Swirl only 4 to 5 passes with a knife and stop while the colors still read separately.

Martha Stewart-Inspired Pumpkin Swirl Brownies

Print Recipe

Rich, fudgy chocolate brownies with a ribbon of spiced pumpkin cheesecake swirled through the top. The contrast of deep cocoa and warm autumn spices makes these bars as beautiful as they are delicious. This is an original adaptation inspired by Martha Stewart’s classic entertaining style.

• Author: Anabelle Mclean
• Prep Time: 20
• Cook Time: 35
• Total Time: 55
• Yield: 16 1x
• Category: Dessert
• Method: Baking
• Cuisine: American

Ingredients

Scale 1x2x3x

For the Brownie Batter

• 1/2 cup (113g) unsalted butter, cut into pieces
• 4 ounces (113g) unsweetened chocolate, finely chopped
• 1 1/4 cups (250g) granulated sugar
• 2 large eggs, room temperature
• 1 teaspoon vanilla extract
• 3/4 cup (94g) all-purpose flour
• 1/4 teaspoon kosher salt

For the Pumpkin Swirl

• 4 ounces (113g) cream cheese, softened
• 1/2 cup (100g) granulated sugar
• 1 large egg, room temperature
• 1/2 cup (122g) canned pumpkin puree
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground ginger
• 1/8 teaspoon ground nutmeg
• 1/4 teaspoon kosher salt

Instructions

1. Preheat the oven to 350°F (175°C). Line a 9×9-inch (23x23cm) baking pan with parchment paper, leaving a 2-inch overhang on two sides, and lightly grease the paper. Do not skip the overhang; it makes lifting the brownies out clean and prevents cracked edges.
2. Make the brownie batter: In a medium heatproof bowl set over a saucepan of barely simmering water, melt the butter and chopped chocolate, stirring occasionally, until smooth and glossy, about 3 minutes. Remove from the heat and let cool for 5 minutes, or the eggs will curdle when added.
3. Whisk the granulated sugar into the chocolate mixture until well combined, then whisk in the eggs one at a time until fully incorporated and the batter looks thick and shiny, about 1 minute. Stir in the vanilla.
4. Add the flour and salt and fold with a spatula just until no dry streaks remain. Overmixing develops gluten and makes the brownies cakey instead of fudgy. Set the batter aside.
5. Make the pumpkin swirl: In a medium bowl, beat the softened cream cheese and granulated sugar with an electric mixer on medium speed until smooth, about 1 minute, scraping down the bowl. Beat in the egg, then the pumpkin puree, cinnamon, ginger, nutmeg, and salt until fully combined and creamy.
6. Spread about two-thirds of the brownie batter evenly in the prepared pan. Dollop the pumpkin mixture in about 9 mounds over the batter, then spoon the remaining brownie batter in small dollops between them.
7. Swirl: Drag a butter knife or thin spatula through the batters in a figure-eight pattern, 4 to 5 times, until marbled. Stop there; over-swirling muddies the colors and destroys the contrast.
8. Bake until the edges are set and a toothpick inserted into the center comes out with a few moist crumbs clinging, 30 to 35 minutes. Avoid overbaking; the residual heat continues to set the brownies as they cool.
9. Cool completely in the pan on a wire rack, about 1 hour. For the cleanest slices, refrigerate for 30 minutes before cutting.
10. Lift the brownies out using the parchment overhang and cut into 16 squares with a sharp knife, wiping the blade between cuts. Store in an airtight container.

Notes

Store brownies in an airtight container at room temperature for up to 2 days or in the refrigerator for up to 5 days; let them sit at room temperature for 15 minutes before serving for the best texture. To freeze, wrap individual squares tightly in plastic wrap, then place in a freezer bag for up to 3 months; thaw overnight in the refrigerator or at room temperature for 1 to 2 hours. For make-ahead, bake and cool the brownies completely, then refrigerate up to 2 days before slicing; the flavor deepens overnight. To refresh, warm squares in a 300°F (150°C) oven for 5 minutes, or microwave individual squares for 10 to 15 seconds.

Nutrition

• Calories: 258
• Sugar: 25g
• Sodium: 90mg
• Saturated Fat: 8g
• Carbohydrates: 31g
• Fiber: 1g
• Protein: 3g
• Cholesterol: 55mg

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