Every source on Jamaican curry powder agrees on one thing before anything else: it is a turmeric-forward blend, and the turmeric is what separates it from an Indian curry powder. That is stated as settled fact everywhere.
So I pulled up five published Jamaican curry powder recipes and set their full ingredient lists side by side. Turmeric runs from a third to about half the blend by volume in four of them. The fifth recipe does not list turmeric at all.
Nobody flags the disagreement. Each recipe states its own list as though it were the only one, the same pattern I found comparing twaróg recipes a few weeks ago.
Five recipes, side by side
Batch sizes differ, so read this as proportion rather than a shopping list. “Not listed” means the ingredient does not appear in that recipe at all.
| Ingredient | My Forking Life | Immaculate Bites | Recipes From a Pantry | That Girl Cooks Healthy | Chili Pepper Madness |
|---|---|---|---|---|---|
| Turmeric | Not listed | 2½ tbsp | 2 tbsp | 3 tbsp | 3 tbsp |
| Coriander seed | 1 tbsp | 1 tbsp | 1 tbsp | 1 tbsp | 2 tbsp |
| Cumin seed | 1 tbsp | 1 tbsp | 1 tbsp | 1 tbsp | 2 tsp |
| Allspice (pimento) | 1 tbsp berries | 2 tbsp | 1½ tsp berries | 2 tsp berries | 1 tbsp |
| Fenugreek seed | ½ tbsp | 2 tbsp | 2 tsp | 2½ tsp | 1 tsp |
| Mustard seed | Not listed | 2 tbsp | 2 tsp | 2½ tsp | 2 tbsp |
| Black pepper | ½ tbsp | 1½ tsp | 1 tsp | 1 tsp | 1 tsp |
| Ginger, ground | ½ tsp | 2 tbsp | 2 tsp | 2 tsp | 2 tsp |
| Scotch bonnet, ground | ½ tsp | ½ tsp, optional | Not listed | ½ tsp, optional | ¼ tsp, optional |
| Nutmeg | Not listed | 1 tsp, optional | 1 tsp, optional | 1 tsp | ¼ tsp |
| Cinnamon | Not listed | Not listed | ½ tsp | ½ tsp | Not listed |
Coriander, cumin, fenugreek and mustard seed appear in every recipe that includes them at all, which is four of the five. They are treated as core rather than optional. Turmeric is the outlier: the biggest single ingredient everywhere it appears, and simply absent from one otherwise complete recipe from an established site. Nobody selling that recipe as Jamaican curry powder mentions that it skips the one thing every other source calls essential.
Curry powder and jerk seasoning are not the same blend
They get lumped together a lot, so it is worth saying plainly: they share almost nothing. I read three published jerk seasoning recipes in full, and not one of them contains turmeric, coriander, cumin, fenugreek or mustard seed, the five ingredients that make curry powder curry powder. Jerk seasoning is built on allspice, black pepper, cinnamon, nutmeg and ginger, backed up by dehydrated onion, garlic and scallion, and used as a dry rub or marinade for grilling rather than stirred into a stew. The two blends share allspice and often a scotch bonnet, and that is where the overlap ends.
None of the three jerk recipes toast their spices either, which is the other real difference. Curry powder starts from whole seeds. Jerk seasoning is built straight from already-ground spices and dried aromatics.
Whole seeds, toasted, then ground
Every curry powder recipe that gives a method starts with whole coriander, cumin, allspice, fenugreek and mustard seed, toasted in a dry pan for one to three minutes before grinding. What is actually happening in that minute or two is that the seeds’ own moisture is boiling off, and the point to stop is when they start to pop and just begin to brown. Push it further and the aroma tips over into bitter and burnt rather than toasted. The already-ground spices, turmeric and ginger among them, go in afterwards without any toasting of their own.
Why it sometimes comes out bitter
One reader on a well-read curry powder recipe reported their goat curry turning bitter and blamed too much fenugreek. That is a fair guess rather than a coincidence: fenugreek itself is genuinely somewhat bitter, alongside the sweet, hay-and-maple-syrup aroma it is better known for. More of it in the blend is more of both. Over-toasting does the same thing to any of the seeds, so a bitter batch usually has one of two causes: too heavy a hand with the fenugreek, or the pan left on the heat a beat too long.
Shelf life
Every source agrees a home-ground blend does not spoil so much as fade. The window given for best flavour runs from three months to a year, with most settling on three to six in an airtight container somewhere cool and dark. Nobody suggests the fridge or the freezer for the dry powder.
The other recurring reader question
Across every comment thread I read, the single most repeated question was how to convert a recipe written for whole seeds into an equivalent using already-ground spices, or the other way round. Nobody selling one of these recipes answers it in the post itself, and it comes up in the comments on nearly all of them. If you are starting from a spice rack of pre-ground jars rather than whole seeds, weigh rather than measure by volume where you can: a tablespoon of whole coriander seed and a tablespoon of ground coriander are not the same amount of coriander.
I use a version of this blend in my slow cooker Jamaican lamb curry, built to the same turmeric-forward shape as the four recipes above.