In a medium size stockpot on medium heat, add oil then butter and sweat leeks and onions until translucent. Then add potatoes and bouquet garni. Stirring the ingredients until you smell the herbs. Now add chicken stock and bring to a boil then reduce to a simmer when potatoes are very tender, about 35 to 40 minutes. Add ackee and simmer for a few minutes more, then remove bouquet garni. Puree soup and season with salt and pepper.
In the center of a shallow soup bowl, mound a small portion of the Crab Salad. Gently ladle about 6 to 8 ounces of the soup around the crab mound.
Mix all the ingredients in bowl.
To a blender, add peppers and 1 cup of vinegar and puree. Add remaining vinegar, if needed. Stir in pimento seeds. Store in a bottle or jar in refrigerator.