does he mean menudo? I have not had it or made it for a very long time. remember it as being very, very good.
now I make posole a lot which has a lot of the flavors, but with chicken or pork usually.
I think menudo is Mexican?
there is also a version in the Phillipines which is a totally different dish.
Here is a link to a history and a couple of recipes-- one calls for a calf's foot and the other not, saw one that called for pig's foot.

here you go-
Menudo Recipes

Actually he announces it Mondongo and I did find a recipe after I googled it! It does sound wonderful, I just hope I can find the ingredients.

Recipe: Tripe Soup (Mondongo)

well, if you can't find annatto oil, you can order seeds to make it with from PENZEYS Spices Home Page . once you have it, I think you will use it lots, I do.

plantains should be available at most supermarkets.

here is the recipe for the olive mix, also something I think you will use more once you have the recipe--
Alcaparrado - Puerto Rican Olive & Pepper Mix Recipe : Recipezaar

and for the ricaito
Recaito & Sofrito Page

We have yuca in the supermarkets here. and around the world working, I have subed any pumpkin I can get, but for the richer flavor of the Indian pumpkin, think I would use butternut squash.

This should be fun,
Nan

here is another recipe that looks great, also shows how you can sub vegetables, etc. since it is Caribbean, I would use the annatto oil, a real subtle, wonderful flavor.
Sopi Mondongo Recipe (Tripe Stew Recipe) - Caribbean Culture

and another CaribSeek Recipes | Tripe Soup Recipe | Reseta Sopi Mondongo | Receta Sopa de Mondongo | Aruban Recipes

remember I said this would be fun--looks like asking for a recipe for chili, huh? looks like there are several base ingredients and then it's fun!!

Nan