Street Corn Steak Tacos

Ingredients

• 2 tablespoons olive oil
• 1 lb flank steak
• 1 teaspoon chili powder
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1/2 teaspoon smoked paprika
• 1/2 teaspoon cumin
• 1/4 teaspoon cayenne pepper
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 4 small flour tortillas
• 1 cup corn kernels (fresh or frozen)
• 1 tablespoon butter
• 1/2 cup mayonnaise
• 1/4 cup cotija cheese, crumbled
• 1 tablespoon fresh cilantro, chopped
• 1 tablespoon lime juice
• 1/2 teaspoon chili powder (for topping)