Pre-heat oven to 350f degrees (or 180c)
heat your pan on the stove top over a medium heat. Add olive oil to line the pan.
place zucchini slices onto pan and season generously with salt and pepper. Cook until the zucchini slices are looking vibrant green (be careful not to over cook the zucchini where it turns into mush). Remove zucchini onto a plate to cool. PRO TIP - Remember all the vegetables will receive more cooking time in the oven.
Now place the spinach leaves into the pan and wilted. Remove from pan and place onto a paper towel to soak up excess water.
In a mixing bowl stir the ricotta, parmesan, egg , garlic, basil, parsley until well combined.
Coat a medium sized oven dish with cooking spray and spread 1/2 cup of theĀ Marinara on the bottom. Top with a sheet of lasagna, a layer of zucchini, 1/2 of the ricotta mixture and mozzarella. Spread 1/3 of the remaining marinara and repeat the layers. End with a layer of lasagna, marinara and remaining mozzarella cheese. Bake for 30 minutes. Allow to cool for 15 minutes prior to serving.