1 tablespoon of extra-virgin olive oil8 ounces of chouriço, casing removed and chopped1 potato, peeled and chopped1 medium onion, chopped1 carrot, peeled and chopped4 cloves of garlic, chopped or thinly sliced1 chili pepper, thinly sliced2 tablespoons of chopped fresh thyme1 bay leaf1 small bunch kale, leaves stripped and choppedFreshly grated nutmeg (to taste)1 (15-ounce) can of chick peas, drained1 (15-ounce) can of diced tomatoes3 cups of chicken stockKosher salt and freshly ground black pepper (to taste)1 and 1/2 lbs of medium shrimp, deveined and stemmedJuice of 1 lemonPortuguese rolls, for serving