Brazilian Fish Stew

Name: Brazilian Fish Stew
Cuisine: American, Latin American
Ingredients: 800g white fish fillets (such as cod, snapper, or sea bass); 2 tbsp lime juice; 2 cloves garlic, minced; 1 tsp salt; 1/2 tsp black pepper; 2 tbsp olive oil; 1 large onion, thinly sliced; 1 red bell pepper, thinly sliced; 1 yellow bell pepper, thinly sliced; 2 tomatoes, chopped; 1 tsp paprika; 1/2 tsp ground cumin; 400ml coconut milk; 1/2 cup fresh cilantro, chopped; 2 tbsp palm oil (optional, for authentic flavour); 1 cup fish or vegetable stock; Lime wedges, for garnish