Ingredient:

• 2 cups cooked corn kernels
• ½ cup diced red onion
• 1 cup peeled, diced jicama
• ½ cup diced red bell pepper
• 1 cup fresh cilantro leaves, chopped
• 1 lime, juiced and zested
• 2 tablespoons cayenne pepper, or to taste
• 1 tablespoon ground black pepper
• 2 tablespoons salt, or to taste
• 6 (4 ounce) fillets tilapia
• 2 tablespoons olive oil
• 12 corn tortillas, warmed
• 2 tablespoons sour cream, or to taste