1. Dice the 4 scallops into 1/4-inch cubes
2. At least 2 1/2 hours and as much as 12 hours before serving, mix together the lime juice, onion, scallion, garlic, cilantro, jalapeno, sugar and salt.
3. Add the diced scallops, and toss. Cover, and refrigerate for at least 2 1/2 hours.
4. Take the...