These chocolate orange swirl muffins are some of the lightest muffins ever created, and they are a refreshing change from the rich holiday treats.

muffin split in half with swirls of chocolate and orange batter and mini chocolate chips inside

While we could sit here and spend our time together arguing about whether these are technically decadent enough to be a cupcake or a muffin, let’s instead agree to agree that these are hands-down the lightest, most tender muffins ever known to grace my kitchen.

The subtle orange-flavored batter is studded with chocolate chips while ribbons of chocolate-infused batter run through each muffin so every taste has the hint of orange, touch of chocolate and a burst of unbelievable fluffy, moist crumb.

Although beholden with their fare share of calories, these blessed muffins are a refreshing change from the heavy, rich treats of the holidays. With “orange” and “muffin” in the title, I’ve nearly convinced myself they could classify as health food.

Click on the Sugar Rush button to the right to see all the Sugar Rush recipes so far!

chocolate and orange swirled muffins on a white platter

One Year Ago: Cherry Cheesecake Cookies
Two Years Ago: Thick and Chewy Double Chocolate Cookies

Chocolate Orange Swirl Muffins

Yield: 12 muffins
Prep Time: 15 minutes
Cook Time: 15 minutes
Total Time: 30 minutes


  • 1 ½ cups all purpose flour
  • ½ cup sugar
  • 2 teaspoons baking powder
  • ¼ teaspoon salt
  • 1 egg
  • ½ cup canola oil or melted butter
  • ½ cup buttermilk
  • ½ cup orange juice
  • 1 teaspoon vanilla extract
  • Zest of one medium orange (about 1 tablespoon)
  • 2 tablespoons cocoa powder
  • ½ cup semisweet chocolate chips, regular or mini-sized


  1. Preheat oven to 325 degrees (for dark, nonstick pans) or 350 degrees for regular muffin tins. Line tins with cupcake liners or spray with cooking spray.
  2. In a large bowl, sift together the flour, sugar, baking powder and salt.
  3. In a separate medium-size bowl beat together the egg, oil or butter, buttermilk, orange juice, vanilla and orange zest. Pour the wet mixture over the dry and mix together just until moistened. Don’t over mix! You may even see some small dry spots – as long as the mixture is evenly moistened without being overmixed, it will be fine.
  4. Into two bowls, divide the batter in half. Sift the cocoa powder in to one of the bowls and fold in half of the chocolate chips. Fold the remaining chocolate chips into the other “white” bowl of batter.
  5. Drop spoonfuls of the batter into the prepared muffin tins, alternating the orange and chocolate batters. Fill the cups 2/3 full. Bake for 13-15 minutes at 350 or 17-18 minutes at 325 until a toothpick inserted in the center comes out clean. Remove from the oven and cool the muffins for five minutes in the tins. Remove the muffins to a wire rack to cool completely.

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Recipe Source: adapted from Wolfgang Puck