Prep Time::10 mins
Cook Time::20 mins
Total Time::30 mins
Servings::8
Yield::8 biscuits
Ingredients
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2 ½ cups all-purpose flour
2 tablespoons baking powder
1 teaspoon salt
¼ cup sugar
¼ cup butter or margarine
1 ½ cups leftover mashed potatoes
1 egg, beaten
⅓ cup cold water
⅓ cup milk
2 tablespoons milk, or as needed
Directions
Preheat the oven to 450 degrees F (230 degrees C). Line a baking sheet with parchment paper.
In a medium bowl, stir together the flour, baking powder, salt, and sugar. Cut in butter, until pieces of butter are no larger than peas. Use a fork to stir in mashed potatoes, breaking them up into chunks. Make a well in the mixture, and pour in egg, water and milk. Stir into a loose dough using the fork.
Turn dough out onto a floured surface, and knead for 6 or 8 times so the dough holds together. Pat the dough out to about 3/4 inch thickness, and cut into circles with a biscuit cutter or drinking glass. Place biscuits onto the prepared baking sheet. Brush the tops with 2 tablespoons milk.
Bake for 15 to 20 minutes in the preheated oven, or until bottoms are golden.