The Old Spaghetti Factory Creamy Pesto Dressing (copycat) 3/4 cup oil 1 cup mayonnaise 3/4 cup buttermilk 2 Tbs. grated Romano cheese 2 Tbs. basil 1/2 tsp. salt 1 clove garlic, minced Hot pepper sauce Whisk together oil and mayonnaise. Add buttermilk, cheese, basil, salt, garlic and hot pepper sauce
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