To make candied zest from other citrus fruit, replace the 3 limes with 2 lemons, 1 large orange or 1 small grapefruit. It's best to use thick skinned citrus fruit.
Beat in the egg until combined. Stir in the orange zest, chocolate and flour. Use your hands to make the dough into a ball. Divide the dough into quarters and roll each quarter into a sausage ...