Place the ricotta in a fine-mesh sieve or clean kitchen towel and squeeze out as much moisture as possible to ensure a light texture.
In a medium bowl, combine the strained ricotta, parmesan cheese, egg, nutritional yeast, sea salt, pepper, and garlic powder.
Gently fold in the flour one tablespoon at a time until a soft, slightly tacky dough forms; avoid over-mixing to keep the gnocchi tender.
Turn the dough onto a lightly floured surface and roll into long ropes, then cut into 1-inch pieces.
Bring a large pot of salted water to a gentle boil and drop the gnocchi in, cooking until they float to the surface, about 2-3 minutes.
While the gnocchi boil, melt the ghee in a large skillet over medium heat and add the fresh sage leaves, cooking until they are crisp and the ghee is aromatic.
Use a slotted spoon to transfer the cooked gnocchi directly into the skillet with the sage ghee.
Pan-sear the gnocchi for 1-2 minutes until they develop a light golden crust, then serve immediately.