Sweet Potato Biscuits Recipe

Combine potatoes, butter and brown sugar;beat at med. speed of elec. mixer till blended. Combine flour, baking powder and salt; stir well. Stir soda into buttermilk until it is dissolved. Combine all ingredients, stirring just till moistened. Turn onto floured surface and kenead lightly 6 to 8 times. Roll to 1/2 inch thickness; cut with 1 1/2 inch biscuit cutter. Place on ungreased baking sheet; bake at 400 for 18 to 20 min.