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Peanut Butter Swirl Brownies

Fudgy cocoa brownies ribboned with peanut butter. Made in one saucepan.

YBy the Yetmos editors · Updated October 2026
Prep 15 min Cook 28 min Serves 16
Peanut Butter Swirl Brownies — illustration

Ingredients

Tick them off as you go. Quantities are for 16 servings.

Method

  1. MeltHeat the oven to 350°F and line an 8-inch square pan with parchment. Melt the butter in a saucepan, remove from heat and whisk in the sugar, eggs and vanilla.

  2. MixStir in the cocoa, flour and salt until just combined.

  3. SwirlPour into the pan. Warm the peanut butter with the powdered sugar for 20 seconds, dollop over the batter and drag a knife through it.

  4. BakeBake 25 to 28 minutes until a toothpick comes out with moist crumbs. Cool completely before cutting.

Editor’s tip. Underbake slightly: brownies keep cooking in the hot pan and firm up as they cool.

Nutrition per serving

250Calories
5 gProtein
30 gCarbs
14 gFat
2 gFiber

Approximate values calculated for the ingredients listed. They vary with brands and portion sizes; see our disclaimer.

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