Heat the oil in a medium skillet over medium-high heat. Once oil is shimmering, add the corn and season with salt, pepper, and chili powder. Cook for 5 minutes or until corn is cooked through and fork tender. Set aside when done.Place all of the ingredients for the sauce into a food processor and pulse until creamy. Taste and adjust, if needed.Place your zucchini noodles into a bowl, pour over the creamy sauce and mix to combine thoroughly.Divide the dressed noodles into two to three plates and top with corn and tomatoes.