Mushroom pizza with zucchini mix

I love meals that have a lot of food for a low calorie count! I also like my food to be delicious... Is that to much to ask for? This was something new I tried tonight! Amazing!!!

Items needed:
1 Portobello mushroom cap (35 cal.)
1/2 of a Can of tomato sauce (35 cal.)
1/4 of a package of Italian sausage (255 cal.)
1/2 cup Chopped onion (34 cal.)
1/2 cup Chopped tomato (12 cal.)
1 cup Chopped zucchini (20 cal.)
3/8 cup of 2% mozzarella cheese (105 cal.)

Directions:
-Set oven to 350
-Cook Italian sausage and onion
-Remove the center stem out of the mushroom cap
-Add a thin layer of tomato sauce
-Add cooked Italian sausage and onion
-Add raw tomato
-Add cheese on top
-Cook these in the oven until cheese starts to brown

-Put leftover sauce, tomato, sausage, and onion in a skillet
-Add zucchini
-Cook covered (stirring occasionally) until pizza is ready or until zucchini is soft

With both items you may season to taste! (Onion, garlic, Italian, salt, pepper, ect.)

This creates 1 serving for approximately 500 calories!!!