Spinach and Caramelized Onion Pizza Recipe - Pillsbury.com

Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 large sweet onion, thinly sliced (about 4 cups)
• 1 tablespoon sugar
• 1 tablespoon balsamic vinegar
• 1/2 teaspoon salt
• 2 cloves garlic, finely chopped
• 1 can (11 oz) refrigerated Pillsbury™ Thin Crust Pizza Crust
• 1 box (9 oz) frozen spinach, thawed, squeezed to drain
• 1 cup shredded mozzarella cheese (4 oz)
• 1 cup shredded provolone cheese (4 oz)
• 1/4 cup fresh shredded Parmesan cheese