Possible Clues:

• Noodle sometimes served with a dipping sauce
• Buckwheat bowlful
• Noodle with a sarashina variety
• Nutty-flavored Japanese noodles
• Buckwheat noodles often served chilled
• Soup noodles
• Noodles in 112-Across, perhaps
• Thin Japanese noodles made from buckwheat flour
• Buckwheat noodle similar to udon
• Asian noodle