3 cups water3 tablespoons of red wine vinegar4 tablespoons of smoked paprika1 1/2 teaspoons of salt1 1/2 teaspoons of sugar1 1/2 tablespoons of ground black pepper1 1/2 medium onions, chopped1 1/2 large tomatoes, seeded & chopped4 tablespoons of chopped fresh parsley6 large baking potatoes, scrubbed & cut into 2-inch cubes1 1/2 pounds of chouriço sausage, thinly sliced