Mix together the tomato sauce, tomato paste, salt oregano, basil, onion powder and water to make the sauce. Simmer for 15 minutes.
Mix together tofu, lemon juice, salt, basil and onion powder to make the filling, put in a separate bowl.
Cook the noodles in salted boiling water.
Spray the lasagna pan and layer as follows: Sauce, 4 noodles, ⅓ of filling, sliced cheese. Repeat 2 times. End with sauce. Cover and bake at 375°F for 40-45 minutes. Garnish with cheese strips, bake uncovered 5 minutes.