- Preheat oven to 375 degrees 
- Lightly oil an 8x8 pan 
- Cook lasagna noodles to al dente according to package directions, rinse, and layout on parchment paper to cool 
- Warm oil olive over low heat 
- Saute green onion and garlic for about 3 minutes 
- Add chicken broth and pumpkin puree 
- Stir in cinnamon, nutmeg, salt and pepper 
- In a cup add the heavy cream, whisk in the cornstarch 
- Slowly pour in the cream/cornstarch mixture, whisking the whole time. 
- Stir/whisk until thicken like gravy 
- Crush sage into pumpkin sauce and mix in 
- Spoon about ½ cup of pumpkin sauce into the bottom of the pan 
- Over each lasagna noodle spread 1 to 2 Tablespoons pumpkin sauce 
- Divide ricotto cheese between all 12 lasagna noodles, spread out as best as possible 
- Roll each noodle up and set into the pan 
- Spoon 1 cup or more of pumpkin sauce to completely cover the noodles 
- Sprinkle with the Parmesan cheese over all 
- Spread grated Pecorino Romano cheese over the top of noodles 
- Bake for 30 minutes 
- Remove and let cool for about 5 minutes before serving