Spicy Avocado-Stuffed Deviled Eggs

10 large eggs
1/4 cup mayonnaise
1 tablespoon fresh lime juice
1 teaspoon wasabi paste (Japanese horseradish paste)*
1/4 teaspoon salt
Pinch freshly ground black pepper
1 plum tomato, seeded and finely chopped
1 scallion, finely chopped
1 serrano chile, seeded and minced
1 firm-ripe avocado, halved, peeled, pitted, and diced

*Available at Asian markets and some supermarkets

Hard boil the eggs. Peel eggs and halve lengthwise. Carefully remove yolks and mash in large bowl with fork. Add mayonnaise, lime juice, wasabi paste, salt, and pepper and stir with fork until smooth. Fold in tomato, scallion, and chile. Fold in avocado. Spoon mixture into whites.