Try this homemade Old Spaghetti Factory Creamy Pesto Dressing recipe the whole family will love. Made with oil, mayonnaise, buttermilk and romano cheese…
This Old Spaghetti Factory Creamy Pesto Dressing relies on simple, everyday ingredients such as oil, mayonnaise, buttermilk and grated romano cheese. It comes together quickly and makes 4 servings, at about 1145 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026