Heat oven to 400°F. In medium bowl, mix squash, onion, brown sugar, salt, black pepper and 1 1/2 tablespoons of the oil. Spread mixture on an ungreased baking sheet. Bake about 15 minutes, stirring occasionally, until squash is tender and you can easily pierce it with a fork.
Meanwhile, in 10-inch skillet, over medium heat, cook pancetta until fat is rendered, about 10 minutes, stirring frequently. Drain on paper towels.
Spread pesto over partially baked crust. Top with squash mixture, pancetta, roasted peppers, walnuts and cheeses.
Bake 6 to 8 minutes longer or until edges are golden brown. You may need to turn the oven to broil during the last 2 minutes of cooking. Let stand 5 minutes before serving.
Adapted from Pillsbury
*You can use a store bought pizza crust, or you can make your own. This pizza dough recipe is my go to. It makes two balls of dough, so use one for this pizza, and freeze the other one. That extra pizza dough means you have 1 of the 5 ingredients needed to make this for dinner.