Peel, slice, boil, and drain the potatoes thoroughly.

Mash the potatoes with margarine until smooth.

Gradually knead the whole wheat flour into the mashed potatoes.

Incorporate garlic powder and black pepper into the dough while kneading.

Simmer pasta sauce in a separate saucepan.

Bring a pot of water to a rapid boil.

Roll the dough into small balls, about 1/2 to 1 inch in diameter.

Press each dough ball with a fork to create ridges.

Carefully drop the gnocchi into the boiling water.

When the gnocchi float to the surface, remove them from the water.

Transfer the cooked gnocchi to the simmering pasta sauce.

Keep warm in the sauce as you cook the remaining gnocchi.

Serve the gnocchi with pasta sauce.