Mash potatoes well. Add all purpose flour and salt in it. Mix all ingredients well and make dough.
Take small balls from the dough give oval shape take fork n keep it on top of fork press lightly and roll.
Bring it to boil in hot water until it start floating.take out in plate.
Heat butter in pan, add black pepper powder in it. Fry potato gnocchi in it for 2 to 3minutes on low medium flame.