Antiguan Ducana and Salt Fish

Name: Antiguan Ducana and Salt Fish
Cuisine: European, Mediterranean, Spanish
Ingredients: 1 pound mackerel (original recipe calls for cod-fish but my grocery store was not carrying it at the time I made this recipe); A lot of sea salt (to make the salted mackerel); 1 medium onion, cut into rings; 1/2 of a green, red, and yellow pepper, cut into strips length wise; 2 cloves garlic, sliced thin; 1/4 cup vegetable oil; 1 8-oz can tomato sauce; 2 Tbsp apple cider vinegar; 1/4 tsp black pepper; 2 cups sweetened coconut flakes; 2 cups grated sweet potatoes; 1 1/2 cups water; 2 cups sugar; 1 tsp cinnamon; 1 tsp ground nutmeg; 1 Tbsp vanilla extract; 1 cup raisins (my favorite part); 1 1/2 cups flour