2Tbspcarbonated drinksuch as Fresca, Sprite, 7-up, etc
Make the sauce and let it chill in the fridge.
Meanwhile cook buckwheat noodles according to the package direction. (After you add the noodles to the boiling water, pour 1/2 cup of cold water when the water boils up again. Repeat the process until the noodles are done) Rinse noodles with cold water and drain.
Place noodles in the individual serving bowl and top with vegetables, drizzle with sauce, about 1-1 1/2 Tbsp per serving, and mix well. Serve boiled eggs on the side.