In a medium mixing bowl, combine sauce ingredients: 1 1/2 cup sour cream, 1 1/2 cup mayo, 2 tbsp olive oil. Add seasonings: 1 tsp garlic powder, 1 tsp onion powder, 2 tsp smoked paprika, 1 tsp cumin, 1 tsp chipotle powder, 2 tsp chili powder, ¼ tsp salt, ⅛ tsp pepper. Mix with whisk or spoon.