Jamaican steamed fish

Name: Jamaican steamed fish
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Cuisine: Caribbean
Ingredients: 2-3 whole red snapper (gutted with gills removed); 1 small onion (chopped); 1 red bell pepper (sliced); 1 green pepper (sliced); 1/2 of orange pepper (sliced (optional)); 1 tbsp of fish seasoning (see post); 2 tbsp of dairy free butter; a dash of hot sauce (optional); 1 tbsp of tomato puree; 3 sprigs of thyme; 1 whole lime; 1/4 tsp of pink salt and black pepper; 1/2 a cup of warm water