1. Heat oven to 450º. Place pizza crust on a baking sheet. Spread pizza or spaghetti sauce over crust; top with roasted yellow peppers, crumbled goat cheese, and freshly ground black pepper, to taste.
2. Bake 10 minutes or until crust is golden brown. Sprinkle spinach leaves evenly over the top of the hot pizza and cut into 8 equal slices.