Preheat oven to 400°F.
Spray a baking sheet with non stick spray and lay down a pita bread. Top with 2 tbsp of the sauce and sprinkle half of the diced bell pepper, tomato,onion and chopped fresh spinach. Top the spinach with 4 (1/2 tbsp) dollaps and top with remaining veggies, pepperoni and cheese.
Bake in the oven until cheese is melted and pita bread is crispy (about 18 minutes).