sweet corn, cut off the cob • medium sized fresh or thawed shrimp, deveined and peeled • vegetable oil • large slicing tomatoes, cut into bite-sized pieces • shallots, diced • jalapeño pepper, diced • fresh basil leaves, diced • mayonnaise, more to taste • Cojita cheese, crumbled, more for garnish • Juice from 1 lime • chili powder or to taste • smoked paprika or to taste •