Ultimate Green Pizza

Description
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Ingredients

 * 1 12- to 14-inch pizza crust
 * 2 Tbs. olive oil
 * 1/4 cup chopped onion
 * 1 cup chopped broccoli
 * 1/2 cup chopped frozen artichoke hearts, or canned and drained
 * 1 small zucchini, sliced into 1/2-inch-thick slices
 * 1/2 cup (8 to 10 spears) asparagus tips, cut into 1-inch-long pieces
 * 1 cup fresh spinach, sliced into 1/2-inch-wide ribbons
 * 1/2 cup pesto sauce
 * 8 oz. shredded low-fat, regular or soy mozzarella
 * 1/4 cup grated Parmesan cheese

Directions
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