Heat a medium-sized skillet and brown the ground beef. Season with salt, chili powder, cornstarch, cumin, red pepper flakes, cayenne pepper, garlic powder, and oregano. Stir until well combined and cooked through.
In a bowl, combine the chopped tomatoes, red onion, fresh coriander, lime juice, olive oil, and a pinch each of salt and pepper. Add a dash of paprika and chili powder for extra spice. Mix well.
Boil the corn until cooked. Then, on a cast-iron grill pan, grill the corn to achieve a nice char. Once cooled, slice the corn off the cob and set aside.
In a large serving bowl, lay the shredded lettuce as the base. Top it with the spiced minced beef, shredded cheese, prepared salsa, charred corn, cubed avocado, and sliced jalapenos.
Serve with labneh or sour cream on the side. Accompany the salad with taco shells or chips if desired. Enjoy this hearty, flavorful meal!