Chili-Lime Cream Fish Tostadas

Ingredients

• 1 lb fresh tilapia or cod fillets
• 1 tsp cooking oil
• 1 1/2 tsp paprika
• 1 1/2 tsp brown sugar
• 1 tsp dried oregano
• 3/4 tsp garlic powder
• 3/4 tsp ground cumin
• 1/8 tsp cayenne pepper
• 1 1/2 tsp salt
• 4 tortillas
• 1/2 tsp chili powder
• 2 tsp lime juice
• 1/2 cup sour cream
• 1/2 tsp garlic powder
• 2 cups shredded cabbage mix
• 1 avocado
• 1 cup cherry tomatoes
• 1/2 lime