Arrange the eggplant slices on one tray and the zucchini slices on the other tray. Make sure they are in a single layer.
Spray the vegetables with cooking spray.
Place the trays in the preheated oven and roast the vegetables for 8 minutes.
After 8 minutes, turn the vegetables over and roast them for another 7 to 10 minutes, or until they are soft. Take the trays out of the oven.
Lower the oven's temperature to 350°F.
In a medium-sized mixing bowl, add the ricotta cheese, egg, basil, and 1/4 cup of Parmesan cheese.
Stir these ingredients until they are well mixed.
Spray cooking spray onto the bottom and sides of a 14-by-8-inch or a 13-by-9-inch baking dish.
Spread 1/4 to 1/3 cup of marinara sauce evenly on the bottom of the baking dish.
Place all of the eggplant slices on top of the sauce. If you need to, you can overlap the slices.
Spread half of the remaining marinara sauce on top of the eggplant slices.
Spread half of the ricotta mixture on top of the sauce.
Sprinkle half of the mozzarella cheese on top of the ricotta mixture.
Place all of the zucchini slices on top of the mozzarella cheese.
Spread the rest of the marinara sauce on top of the zucchini slices.
Spread the rest of the ricotta mixture on top of the sauce.
Sprinkle the rest of the mozzarella cheese and the Parmesan cheese on top of the ricotta mixture.
Bake the lasagna in the oven for 35 to 40 minutes, or until it starts to bubble. Take the lasagna out of the oven.
Wait at least 15 minutes before you cut the lasagna into 12 pieces.
Notes
5 Points (2022/2024 Plan)MyWW Points: 5 Blue Plan and 5 Green PlanWe are not associated with Weight Watchers/WW in any way. Double check points on their official calculator.