Preheat oven to 375 degrees F. Bring pot of water to boil.

Boil lasagna sheets 18 minutes, stirring occasionally to prevent sticking. Rinse with cool water; cut each sheet in half.

In food processor, pulse together filling ingredients until well combined.

On baking tray, spread half the pasta sauce.

In center of each lasagna sheet, drop spoonful of filling. Close lasagna sheets; press edges to seal.

Arrange raviolis in sauce on baking tray. Sprinkle over nutritional yeast.

Bake 10 to 15 minutes.

Serve with additional pasta sauce.