Quick Recipe Version (TL;DR)
Quick Ingredients
- 1 cup mashed cooked sweet potato, cooled
- 1 3/4 cups all-purpose flour
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1 1/2 teaspoons ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/4 teaspoon ground ginger
- 1/2 teaspoon fine salt
- 2 large eggs, room temperature
- 1/2 cup packed light brown sugar
- 1/3 cup neutral oil
- 1/3 cup plain Greek yogurt or sour cream
- 1/2 cup whole milk
- 2 teaspoons vanilla extract
- Optional: 1/2 cup chopped pecans or walnuts
Do This
- 1. Heat the oven to 375°F and line a 12-cup muffin pan with paper liners.
- 2. Whisk flour, baking powder, baking soda, cinnamon, nutmeg, ginger, and salt in a large bowl.
- 3. In another bowl, whisk mashed sweet potato, eggs, brown sugar, oil, yogurt, milk, and vanilla until smooth.
- 4. Fold the wet mixture into the dry mixture just until no dry streaks remain; fold in nuts if using.
- 5. Divide the batter evenly among the muffin cups, filling each about 3/4 full.
- 6. Bake for 18 to 22 minutes, until a toothpick inserted in the center comes out clean or with a few moist crumbs.
- 7. Cool in the pan for 5 minutes, then transfer to a wire rack and enjoy warm or fully cooled.
Why You’ll Love This Recipe
- Moist and tender: Mashed sweet potato, yogurt, and oil keep the crumb soft without making the muffins heavy.
- Gently spiced: Cinnamon leads the way, with just a little nutmeg and ginger for warmth.
- Not overly sweet: A modest amount of brown sugar enhances the natural earthy sweetness of the sweet potato.
- Comforting and practical: These muffins are lovely for breakfast, brunch, lunchboxes, or a cozy afternoon snack.
Grocery List
- Produce: 1 medium sweet potato, about 10 to 12 ounces, if you do not already have cooked mashed sweet potato
- Dairy: 2 large eggs, plain Greek yogurt or sour cream, whole milk
- Pantry: All-purpose flour, baking powder, baking soda, ground cinnamon, ground nutmeg, ground ginger, fine salt, light brown sugar, neutral oil, vanilla extract, optional pecans or walnuts, paper muffin liners
Full Ingredients
For the Sweet Potato Muffins
- 1 cup mashed cooked sweet potato, cooled, from about 1 medium sweet potato
- 1 3/4 cups all-purpose flour, spooned and leveled
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1 1/2 teaspoons ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/4 teaspoon ground ginger
- 1/2 teaspoon fine salt
- 2 large eggs, room temperature
- 1/2 cup packed light brown sugar
- 1/3 cup neutral oil, such as avocado, canola, vegetable, or light olive oil
- 1/3 cup plain Greek yogurt or sour cream, room temperature
- 1/2 cup whole milk, room temperature
- 2 teaspoons vanilla extract
Optional Add-Ins
- 1/2 cup chopped pecans or walnuts
- 1/3 cup raisins or dried cranberries
- 2 tablespoons rolled oats, for sprinkling on top before baking
- 1 tablespoon coarse sugar, for a lightly crisp muffin top
Step-by-Step Instructions
Step 1: Prepare the oven and muffin pan
Preheat the oven to 375°F. Line a standard 12-cup muffin pan with paper liners, or lightly grease each cup with nonstick spray. Place the oven rack in the center position so the muffins bake evenly.
Step 2: Mash and cool the sweet potato
If you already have cooked sweet potato, measure out 1 cup and mash it until mostly smooth. A few tiny bits are fine and add a pleasant homemade texture. The sweet potato should be cool or just barely warm before mixing so it does not scramble the eggs or melt the batter.
If starting with a raw sweet potato, pierce it several times with a fork and microwave on high for 8 to 10 minutes, turning once, until very tender. Let it cool until safe to handle, then scoop the flesh from the skin and mash. For a deeper roasted flavor, bake the pierced sweet potato at 400°F for 45 to 55 minutes, then cool and mash.
Step 3: Mix the dry ingredients
In a large mixing bowl, whisk together the 1 3/4 cups flour, 1 1/2 teaspoons baking powder, 1/2 teaspoon baking soda, 1 1/2 teaspoons cinnamon, 1/4 teaspoon nutmeg, 1/4 teaspoon ginger, and 1/2 teaspoon salt. Whisking well helps distribute the leaveners and spices evenly, so every muffin rises nicely and tastes balanced.
Step 4: Whisk the wet ingredients
In a separate medium bowl, whisk the mashed sweet potato with the 2 eggs until combined. Add the 1/2 cup packed brown sugar, 1/3 cup oil, 1/3 cup Greek yogurt or sour cream, 1/2 cup milk, and 2 teaspoons vanilla extract. Whisk until the mixture looks smooth, creamy, and evenly orange. It is fine if the sweet potato leaves very small flecks throughout.
Step 5: Combine the batter gently
Pour the wet ingredients into the dry ingredients. Using a flexible spatula, fold the mixture together just until the flour disappears. The batter should be thick, soft, and spoonable. Do not beat or overmix; a few small lumps are better than a tough muffin. If using chopped pecans, walnuts, raisins, or dried cranberries, fold them in now with just a few strokes.
Step 6: Fill the muffin cups
Divide the batter evenly among the 12 prepared muffin cups, filling each about 3/4 full. A spring-loaded scoop or a 1/4-cup measuring cup makes this easy and keeps the muffins similar in size. If you like a bakery-style finish, sprinkle the tops with a small pinch of rolled oats, coarse sugar, or finely chopped nuts.
Step 7: Bake until tender and fragrant
Bake at 375°F for 18 to 22 minutes, or until the muffin tops are gently domed and a toothpick inserted into the center of a muffin comes out clean or with a few moist crumbs. The tops should spring back lightly when touched. Avoid overbaking, as sweet potato muffins are at their best when they stay soft and moist.
Step 8: Cool and serve
Let the muffins cool in the pan for 5 minutes, then transfer them to a wire rack. Serve warm for the coziest texture, or let them cool completely for the neatest crumb. They are delicious plain, split with a pat of butter, or lightly drizzled with honey.
Pro Tips
- Use smooth mashed sweet potato: Mash well with a fork or potato masher. For an extra smooth batter, use a food processor or immersion blender.
- Measure flour lightly: Spoon the flour into the measuring cup and level it off. Scooping directly from the bag can pack in too much flour and make the muffins dry.
- Do not overmix: Fold only until combined. Overmixing develops gluten and can make muffins dense instead of tender.
- Cool the sweet potato first: Hot sweet potato can warm the batter too much and affect the muffin texture.
- Check early: Begin checking at 18 minutes. Muffins continue to set slightly as they cool.
Variations
- Whole wheat sweet potato muffins: Replace 3/4 cup of the all-purpose flour with whole wheat flour for a heartier, nuttier flavor. Keep the remaining 1 cup all-purpose flour for tenderness.
- Maple pecan muffins: Reduce the brown sugar to 1/3 cup and add 2 tablespoons maple syrup to the wet ingredients. Fold in 1/2 cup chopped pecans.
- Chocolate chip sweet potato muffins: Fold in 1/2 cup semi-sweet chocolate chips for a sweeter, more dessert-like muffin while still keeping the warm spice flavor.
Storage & Make-Ahead
Store cooled muffins in an airtight container at room temperature for 2 days or in the refrigerator for up to 5 days. For the best texture, place a paper towel in the container to absorb extra moisture. To freeze, wrap each cooled muffin individually and place in a freezer-safe bag or container for up to 3 months. Thaw overnight in the refrigerator or at room temperature for about 1 hour. To warm, microwave one muffin for 12 to 18 seconds or heat in a 300°F oven for 8 to 10 minutes. You can also cook, mash, and refrigerate the sweet potato up to 3 days ahead.
Nutrition (per serving)
Calories: 206 kcal | Carbs: 30g | Protein: 4g | Fat: 8g | Saturated Fat: 1g | Fiber: 2g | Sugar: 11g | Sodium: 207mg | Cholesterol: 33mg
