For the sauce: Add the marinara sauce and water to a pot and bring to a boil. Add the red lentils and cook for 20 minutes.
While the sauce is cooking, fill a pot with water and bring to a boil. Add the lasagna noodles and cook per package instructions.
While the noodles and marinara sauce are cooking, make your vegan ricotta filling. Add the tofu, lemon juice, nutritional yeast, basil, oregano, salt, pepper, and olive oil in a food processor. Blend until smooth. Set aside.
For the full step-by-step instructions and video tutorial, download the Little Lunches app.