Spray small nonstick skillet with cooking spray; add oil, onion and garlic. Cook over low heat for about five minutes, until soft; transfer to mixing bowl. Separate broccoli florets and add to mixing bowl. Peel broccoli stems and chop coarsely; add to bowl. Shred the mozzarella cheese. Stir in peppers, cheese, flour salt and pepper ingredients. Divide mixture, spreading evenly over two deep-dish crusts. Put pizzas on lower shelves of oven pre heated to 425 degrees. Bake for 20-22 minutes or until crusts are golden.