Make These Vegan Sesame Noodle Bundles

Ingredients

• 12 ounces dry udon noodles
• 1 garlic clove
• 1 tablespoon chopped fresh ginger
• 1/2 cup toasted sesame oil
• 1/2 cup rice vinegar
• 1/2 cup tamari or soy sauce
• 1/4 cup warm water
• 2 teaspoons Sriracha
• 1 cup creamy natural peanut butter
• 1/4 cup brown sugar
• 16 large romaine leaves
• black sesame seeds
• 16 whole scallions