01 -
Preheat oven to 375°F and spray a loaf pan with cooking spray.
02 -
Combine flour, baking powder, baking soda, salt, and 1 cup of shredded cheddar in a large bowl.
03 -
In a separate bowl, combine milk, sour cream, mashed potatoes, egg, and melted butter.
04 -
Mix wet and dry ingredients until just combined. Transfer to loaf pan and bake for 60-65 minutes, adding remaining cheese on top for last 10 minutes.
05 -
Cool for 20 minutes before removing from pan and slicing.