In a medium bowl, crumble tofu and mix in garlic, lemon juice, nutritional yeast, sea salt/pepper and fresh basil leaves.
In a 8x11 pan add a thin layer of marinara sauce, layer with 4 cooked lasagna noodles then add a layer of tofu ricotta (1/2 of mixture) and chopped spinach and basil (~1 cup). Repeat 2 twice ending with a layer of lasagna noodles and topped with sauce.