3/4cup cooked mashed potatoes boil potatoes and mash them to a mashed potato consistency.
3/4cup raw grated potatoes peel the skins, then grate, drain grated potatoes of liquid.
1 egg
1 egg white
1/3cup vegetable oil
3/4cup milk
1/2cup grated Parmesan cheese
1/2tsp garlic powder
3 1/4cups cups flour
1 1/2tbsps baking powder
1tsp salt
Instructions
Place the mashed potatoes and raw grated potatoes in a large mixing bowl, whisk together until well combined. Add the egg, egg white, grated Parmesan cheese, garlic powder, milk and oil to the bowl, whisk until completely incorporated.
In a separate large bowl, combine the flour, baking powder and salt, stir to combine. Stir the dry ingredients, into the wet ingredients until a soft dough is formed.
Grease a 8" round cake pan or pie dish. After kneading dough several times, form dough into round loaf and place in prepared pan.
Bake 375 degree for about 45-55 minutes, until golden and sounds hollow when tapped on. Remove to wire rack to cool.