Prepare the gnocchi dough by boiling potatoes until tender
Mash the cooked potatoes and combine with flour, egg, and salt
Shape the dough into gnocchi pieces
Prepare the Bolognese sauce by sautéing diced onion, carrot, and celery
Add pancetta if using and cook until rendered
Brown the ground beef in the mixture
Deglaze with dry red wine
Add tomato paste and stir to combine
Add tomato passata or crushed tomatoes
Add bay leaf and Parmigiano rind
Simmer the sauce until thickened, seasoning with salt and black pepper
Remove the Parmigiano rind from the sauce
Cook the gnocchi in boiling salted water until they float
Toss the cooked gnocchi with the Bolognese sauce
Finish with grated Parmigiano-Reggiano
