Ingredients
- 1 cup all-purpose flour
- 1 cup white whole wheat flour
- 2 teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- 2 tablespoons unsalted butter
- ¾ cup natural creamy peanut butter
- ¾ cup milk, or more as needed
- 1 egg, beaten
- 1 teaspoon vanilla extract
- 1 cup peeled and diced apple
- 1 cup peanut butter chips
What Makes This Recipe So Good
Tips For Better Flavor
- Be careful not to overmix the batter; mix just until the ingredients are combined to keep the muffins light and fluffy.
- If you like a little extra texture, try adding chopped nuts or a sprinkle of cinnamon on top before baking.
Directions
Heat your oven to 350°F (175°C) and line a 12-cup muffin pan with paper liners. In a big bowl, whisk together the flours, baking powder, baking soda, and salt. In a small saucepan, melt the butter over low heat, then stir in the peanut butter and brown sugar until smooth. Take it off the heat and mix in the milk, egg, and vanilla extract. Pour this wet mixture into the dry ingredients and stir just until everything is combined—if the batter feels too thick, add a splash of milk, a tablespoon at a time. Fold in the chopped apples and peanut butter chips gently so they’re evenly spread throughout. Spoon the batter into the muffin cups, filling them up evenly, and pop them in the oven. Bake for about 20 minutes, or until a toothpick stuck in the center comes out clean. Let them cool a bit before digging in!
