8 oz cream cheese, softened
3 to 4 teaspoons wasabi paste (Japanese horseradish paste)
30 (2-inch) thin rice crackers
30 peeled cooked medium shrimp (about 1 lb), halved lengthwise
1 scallion green, thinly sliced

Pure cream cheese with wasabi to taste in a food processor until smooth. Mound 1 teaspoon cream cheese mixture on each cracker and top with 2 shrimp halves. Sprinkle with scallion. Serve immediately.