First you boil the lasagna according to package instructions. you spread and add the filling which is (sauted mushroom in butter and garlic) then add some chopped baby spinach and mix. then add Ricotta cheese, some salt and pepper and 1 egg and the parm cheese.

Add some marinara sauce(plus a spoon of pesto sauce) too the bottom of the pan, arrange the rolls.

Add more marinara sauce on top and cover with mozzarella cheese

Into the preheated oven to 350 for 30 to 35 mins.