Asian Avocado Salsa

Ingredients

• 1 tablespoon sesame seeds
• 2 tablespoons unseasoned rice vinegar
• 1 tablespoon mirin (sweet Japanese rice wine)*
• 2 teaspoons soy sauce
• 1 1/2 teaspoons Asian sesame oil
• 1 1/2 teaspoons coarse kosher
• salt
• 1 teaspoon wasabi paste (horseradish paste)*
• 2 cups coarsely chopped trimmed watercress (leaves and tender stems from 2 medium bunches)
• 4 green onions, thinly sliced on diagonal (about 1 cup)
• 1/2 cup 1/3-inch cubes peeled jicama
• 2 large avocados, halved, pitted, peeled, cut into 1/3-inch cubes