2) Put the water into a blender and add the garlic, onion, salt, black pepper, oregano, chilli pepper and chilli powder. Blend until it is as smooth as possible. Pour over the pork cubes and toss to coat well.
3) Preheat the oven to 200C/Gas Mark 6. Cover the roasting pan and place in the oven to bake for 1 1/2 hours or until the meat is fork tender.
4) Divide the cos lettuce leaves between the six plates. Serve the pork over the lettuce leaves.
Cook's Note: This Carne Adovada can be refrigerated for up to 3 days or frozen for 3 months. The mix used to coat the meat can be used on all roasted meats.
This recipe was provided by professional chefs and has been scaled down from a bulk recipe provided by a restaurant. The Food Network Kitchens chefs have not tested this recipe, in the proportions indicated, and therefore we cannot make any representation as to the results.