Ingredients:
 
           4 cups dashi (soup stock)
           1 tsb miso         
           wakame (seaweed), small pieces optional 
           1/2 block tofu, cut into 1/2" cubes 
           1 to 2 stalks green onion, sliced thin         

Heat dashi. Mix miso in small bowl with small amount of dashi and return to the dashi in the pan. Bring to a boil, lower the heat. Add tofu and wakame (optional), when soup comes to boil, remove from heat and add green onions. Avoid boiling too long - serve immediately.