Marinate the Chicken
In a bowl, whisk together olive oil, lime juice, minced garlic, cumin, smoked paprika, salt, and pepper. Coat the chicken and let it marinate for at least 30 minutes.
Prepare the Street Corn Salsa
Grill the corn over medium-high heat until charred on all sides, then slice the kernels off the cob. Mix with jalapeño, red onion, cilantro, mayonnaise, cotija cheese, lime juice, chili powder, salt, and pepper.
Grill the Chicken
Cook the chicken on a preheated grill over medium-high heat for 6-7 minutes per side, or until the internal temperature reaches 165°F (74°C). Let it rest for 5 minutes, then slice.
Assemble the Rice Bowls
Divide cooked rice into four bowls. Top with sliced chicken and a generous portion of street corn salsa. Add avocado slices and garnish with fresh cilantro and lime wedges.