2 tablespoons stick margarine chilled cut into small pieces
1 tablespoon water cold
1 cup yukon gold red cubed peeled (1-inch)
Equipment
bowl
baking sheet
oven
knife
blender
measuring cup
Directions
Preheat oven to 42
Cook the potato in boiling water 15 minutes or until very tender.
Drain well; mash potato, and cool.
Lightly spoon flour into dry measuring cups; level with a knife.
Combine flour, baking powder, baking soda, and salt in a bowl; cut in butter with a pastry blender or 2 knives until the mixture resembles coarse meal.
Add mashed potato, cheese, buttermilk, and green onions; stir just until moist.
Turn dough out onto a floured surface, and knead lightly 5 times.
Roll dough to a 3/4-inch thickness, and cut with a 3-inch biscuit cutter.
Place on a baking sheet.
Combine water and egg white, and brush over biscuits.