01 -
Preheat the oven to 400°F (205°C).
02 -
In a skillet over medium-high heat, sauté the ground Italian sausage and chopped onion until the meat is browned and the onions have softened, then drain excess grease.
03 -
Remove the skillet from heat and stir in the softened cream cheese until it melts completely.
04 -
Mix in the ricotta and grated Parmesan cheese thoroughly, then set the filling aside to cool.
05 -
On a parchment-lined baking sheet, form the shredded mozzarella cheese into 8 evenly sized circles.
06 -
Bake the cheese circles for 6 to 8 minutes until the edges begin to brown and develop a crispy texture.
07 -
Remove the mozzarella from the oven and allow it to cool for one minute.
08 -
Place a layer of the sausage and cheese filling down the center of each mozzarella circle, then carefully fold the cheese over the filling to form roll ups.
09 -
Allow the roll ups to cool and crisp before serving.