Preheat oven to 350
Cook ziti according to package
Chop zucchini, spinach, mushrooms and parsley.
Set parsley aside.
Saute zucchini in olive oil for three minutes. Add spinach and mushrooms and saute for two additional minutes.
Add sauteed mixture, parsley, oregano, basil, garlic and pasta sauce. Stir.
Cover the bottom of a 9x13 glass pan (or casserole dish) with a thin layer of the meat & veggie mixture.
Add 1/2 of the cooked ziti.
Next, add 1/2 of the remaining meat & veggie mixture.
Add 1/2 of the ricotta.
Add 1/2 of the mozzarella.
Repeat.
Top with parmesan cheese.
Bake uncovered at 350 for 20 minutes or until cheese is bubbly and golden brown.
Garnish with extra parsley.
Make one (depending on # of vegetarians/ no red meat) with zucchini, spinach and mushrooms
Make one (depending on # of others) with ground beef
Set some aside without cheese (depending on # of no dairy)