1. Preheat oven to 425°.
2. Combine first 4 ingredients; beat with a mixer at medium speed 1 minute or until well blended. Stir in spinach and next 3 ingredients.
3. Unroll pizza dough onto a baking sheet coated with cooking spray; pat into a 14 x 10inch rectangle. Spread spinach mixture over half of crust, leaving a 1-inch border. Sprinkle mozzarella and cheddar cheeses over spinach mixture. Fold dough over filling; press edges together to seal.
4. Bake at 425° for 17 minutes or until browned. Cool on a wire rack 5 minutes. Heat pasta sauce in a small saucepan over medium heat. Cut calzone into 6 portions, and serve with pasta sauce, if desired.
let your toddler help by: Patting the dough into a rectangle. Sprinkling the mozzarella and cheddar cheeses over the spinach mixture.