Preheat oven to 400 and line a baking sheet with nonstick foil.
Pierce the potatoes and bake 1 hour.
Let cool a bit and scoop out the flesh.
Pass potatoes through a ricer.
Strain the ricotta in cheesecloth to remove moisture.
In a bowl, mx ricotta, cheese, egg, salt, pepper.
Put flour in a large bowl and use a fork to gently mix in the potatoes.
Once the potatoes are coated, make a well in the center and add the cheese mixture.
Fold in the cheese and once it comes together dump on a floured surface, knead a few mins and form a ball.
Cut ball into 4 equal parts.
One piece at a time, roll it into a long rope the width of your thumb.
Use a bench scraper to cut off 3/4 inch (bite size) pieces.
Roll each piece down a gnocchi board and lay on a floured cookie sheet.
Cook gnocchi in boiling water 4-6 mins until they float at the top and are tender,
Serve with sauce.