Ingredients

• For the sauce:
• 1 tablespoon soy sauce
• 2 tablespoons rice wine vinegar
• 1 teaspoon sugar
• For the filling:
• 3 tablespoons peanut or canola oil (split)
• 2 teaspoons peeled and finely chopped fresh ginger
• 1 pound lean ground beef
• 1 stalk celery, washed and thinly sliced
• 1 red bell pepper, seeds removed and finely chopped
• 1 cup (about 4 ounces) mung bean sprouts, chopped (optional)
• 1 tablespoon cornstarch
• 2 green onions (scallions), washed and thinly sliced
• 1 teaspoon Asian style sesame oil
• 2 tablespoons plum sauce
• 1/2 teaspoon hot chile oil
• 1 head butter lettuce or iceberg lettuce, washed well, leaves separated and patted or spun dry

Serves 4 to 6