Lengua en Cacahuate (Tongue in Peanut Sauce)

I know most of you are from the States, yet this dish is worth looking into. All protein, little fat and no waste to speak of. If you like beef tongue you will love this favorite of ours (we make it in a lot of other ways too): Get a whole tongue from the butcher. Put it in a pressure cooker to cook and get tender, about 15 min once it makes noise. You have to let it cool so you can peel it. Once you can peel it, clean it up and slice it in medium slices, set aside. Put 2 tbls of oil in a pan and heat to med heat. Put 1/2 an onion in slices in, 3-4 garlic cloves (thru a press), salt and pepper, 2-3 tsp dried chili flakes (chile de arbol), 4-5 laurel leaves, about 2 cups of tomato sauce, 1/2 to 1 cup smooth peanut butter (you're supposed to get peanuts, roast them, grind them, etc..... but skippy will do), 1 tbl of sugar. Stirring all the time to make sure you get a smooth, even, thick sauce. Taste it and adjust seasonings. Once the sauce is acceptable, put the meat in and let it simmer for 10-15 min. If the sauce is too thick you can use some of the meat stock to thin out. Serve with sweet pepper rice and refried beans.