Food & Cooking Recipes Breakfast & Brunch Recipes Sweet-Potato and Chocolate-Chunk Muffins Be the first to rate & review! By Martha Stewart Martha Stewart Martha Stewart is a bestselling author, entrepreneur, and lifestyle expert who has taught millions of people through generations the joy of entertaining, cooking, gardening, collecting, crafting, and home renovating via her eponymous magazine, Martha Stewart Living, Emmy-winning television shows, and 99 books (and counting). Based in Katonah, N.Y., where she helms her 156-acre Bedford Farm, Martha is America's first self-made female billionaire. Editorial Guidelines Updated on May 16, 2017 Rate PRINT Share Prep Time: 15 mins Total Time: 1 hr 5 mins Yield: 1 dozen You can substitute 1 cup of mashed banana for the sweet potatoes; reduce the sugar to 1/2 cup and bake as directed. Ingredients 2 medium sweet potatoes ¾ cup extra-virgin olive oil, plus more for brushing (optional) 1 ½ cups whole-wheat flour 1 ½ teaspoons baking powder ½ teaspoon baking soda 2 teaspoons ground cinnamon ½ teaspoon kosher salt ¾ cup sugar 3 large eggs, room temperature 5 ounces bittersweet chocolate (60 percent cacao), coarsely chopped (1 cup) Directions Preheat oven to 400 degrees. Prick sweet potatoes all over with a fork; place on a parchment-lined baking sheet. Bake until tender when pierced with a knife, about 1 hour. Let cool, then scoop out and mash flesh; discard skins. Measure out 1 cup, reserving remainder for another use. Reduce oven to 350 degrees. Line a standard 12-cup muffin tin with baking cups or lightly brush with oil. In a medium bowl, whisk together flour, baking powder, baking soda, cinnamon, and salt. In another bowl, whisk together sugar, eggs, oil, and mashed sweet potato. Stir wet ingredients into dry until just combined. Fold in chocolate. Divide batter evenly among muffin cups. Bake until golden and tops spring back when lightly touched, about 24 minutes.Let cool 5 minutes in tin, then transfer to a wire rack and let cool completely. Lennart Weibull Originally appeared: Martha Stewart Living, September 2016 Rate It PRINT