You know you’ve had a really good meal when afterward, the only thing left to do is to loosen that belt a notch and, inconspicuously, unbutton the top button on your pants. That’s exactly the position The Star’s Mará Rose Williams was in after a recent lunchtime visit to Fannie’s West African Cuisine, at 4105 Troost Ave. There’s a lot of deliciousness crafted in the Fannie’s kitchen, but Williams goes there for the joy of her rich peanut butter stew with goat meat. For $18.99, it’s cheap considering how satisfying it is. And don’t forget the fufu, a starchy mild-flavored staple served with many West African meals. In fact, it’s the fufu — it looks like a ball of mashed potatoes but is made from ground cassava root — that sets the experience apart. Forks, knives and spoons are on each table, but ignore them. This fabulous stew is best eaten with your fingers, using pulled and pressed pieces of fufu as the vessel for sopping up the spicy soup juices. Licking finger tips between bites ...