For the Fish:

• 1 lb white fish fillets (such as cod or tilapia)
• 1 cup all-purpose flour
• 1/2 cup cornstarch
• 1 tsp paprika
• 1/2 tsp garlic powder
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 cup cold sparkling water
• vegetable oil for frying

For the Cilantro Lime Slaw:

• 2 cups shredded cabbage
• 1/4 cup chopped fresh cilantro
• 2 tbsp lime juice
• 1 tbsp mayonnaise
• 1 tbsp sour cream or Greek yogurt
• 1/4 tsp salt
• 1/4 tsp black pepper

For Assembly:

• 8 small corn or flour tortillas (warmed)
• lime wedges
• extra chopped cilantro (optional)
• sliced jalapeños or avocado (optional)