Step 1: Prepare the Fried Chicken

1. Place chicken pieces in a bowl and cover with buttermilk. Marinate for at least 30 minutes (or up to overnight).
2. In a separate bowl, mix flour, paprika, garlic powder, onion powder, salt, black pepper, and cayenne pepper.
3. Heat vegetable oil in a deep skillet over medium-high heat.
4. Dredge marinated chicken in seasoned flour, ensuring an even coating.
5. Fry in batches until golden brown and crispy, about 3-4 minutes per side. Drain on a paper towel-lined plate.

Step 2: Make the Street Corn Mixture

1. In a medium bowl, mix corn kernels, mayonnaise, sour cream, lime juice, chili powder, jalapeño, cotija cheese, and cilantro.
2. Stir until well combined. Set aside.

Step 3: Cook the Bacon

1. In a skillet over medium heat, cook bacon until crispy.
2. Remove and crumble into small pieces.

Step 4: Assemble the Tacos

1. Warm corn tortillas in a dry skillet or directly over an open flame for a slight char.
2. Layer each tortilla with fried chicken pieces, a spoonful of street corn mixture, and crispy bacon.
3. Top with chopped red onion, cilantro, and shredded lettuce (if using).
4. Serve with lime wedges.