Delicious little muffins packed with flavor and super moist from the sweet potatoes.
Preheat oven to 400 degrees Fahrenheit. Line a muffin tin with baking cups. Cream butter and sugar. Add egg and beat.
Mix dry ingredients in a small bowl. Mix potatoes and milk in another small bowl. Add alternately to the butter mixture.
Pour or spoon into muffin tin cups. Bake for 20-25 minutes, until a toothpick comes out clean.