Rinse buckwheat in a colander until water runs clear.
Transfer to a pot and cover with 2 cups of boiling water. Let stand covered for 15 minutes. Don't leave it too long or it will get mushy!
Rinse again and drain.
In a small bowl whisk all dressing ingredients except the oil (or in a small jar, shake it all).
Slowly whisk in olive oil until well combined.
Soak in warm water for about 5 minutes or until soft.
Rinse romaine lettuce and tear it up into a bowl, or add greens to a bowl. Add buckwheat, beans and mixed vegetables. Toss with dressing.
Top with wakame.
Use what you've got. Any grain, or a pseudo-grain such as quinoa, will do. Add any other veggies to it. I added some Mann's Power Blend, which is Brussels sprouts, napa cabbage, kohlrabi, broccoli, carrots and kale.