-
1
Grease a 13 x 9-inch baking pan.
-
2
For the sauce (this is strongly recommended to make 1-3 days in advance and refrigerate) heat olive oil in a large skillet over medium-high heat.
-
3
Add in onion, chopped garlic, basil, oregano and chili flakes; saute for 3 about minutes.
-
4
Add in zucchini, sliced mushrooms, carrots and bell pepper; cook stirring for about 4 minutes.
-
5
Add in tomato paste; stir for 1 minute.
-
6
Add in crushed and diced tomatoes with juice; bring to a boil over medium heat stirring.
-
7
Reduce heat to low and simmer uncovered for 35-40 minutes (season with salt and pepper about halfway through cooking time, DO NOT cover the pot or the sauce will become thin).
-
8
In a bowl combine all filling ingredients until well blended.
-
9
TO ASSEMBLE.
-
10
Remove 2 cups of sauce and set aside (this will go on top of the lasagna after layering).
-
11
Spread one-third of the sauce into bottom of the baking dish.
-
12
Place 3 cooked noodles over the sauce.
-
13
Place HALF of the cheese mixture over the noodles.
-
14
Repeat the layers; one-third sauce, 3 noodles, then remaining cheese mixture.
-
15
Top with remaining one-third sauce then 3 noodles.
-
16
Spread the reserved 2 cups of sauce over the top (covering the noodles).
-
17
Sprinkle 1/3 cup grated Parmesan cheese over the top of the sauce.
-
18
Cover and bake at 350 degrees F (bottom rack) for 45 minutes.
-
19
Uncover and sprinkle 1 cup or more of mozzarella cheese on top then return to oven and bake uncovered for anoth 5-8 minutes.
-
20
Allow to rest for 15 minutes or more before slicing.