Crispy Cinco Fish Tacos

Ingredients

• 1/4 cup sour cream
• 1/4 cup mayonnaise
• 1/4 cup Cinco sauce
• 1/4 teaspoon ground coriander
• 1/4 teaspoon ground cumin
• 1 tablespoon fresh lime juice, or to taste
• Salt
• pepper
• 1 dash MSG
• 1 pound tilapia fillets
• 2 teaspoons olive oil
• 1/2 teaspoon kosher salt
• 1 teaspoon blackening spice
• 2 cups thinly sliced green cabbage
• 1/4 teaspoon kosher salt
• 2 teaspoons fresh lime juice
• 1 pinch dried oregano
• 4 (6-inch) flour tortillas
• 2 teaspoons olive oil, divided
• Thinly sliced radishes
• Torn cilantro leaves
• 1 lime, cut into wedges
• Avocado slices (optional)
• Thinly sliced jalapeno pepper (optional)