Place all the hamburger ingredients into a bowl, and thoroughly knead until it sticks together.
Heat vegetable oil in a pan over medium heat, divide the hamburger mixture into 4 equal portions, shape into patties, and fry in a pan. Cover with a lid and cook for about 5 minutes over medium heat.
Flip the hamburgers, turn the heat down to low, cover with a lid, and cook for another 5 minutes.
Wipe off the excess grease with a paper towel, move the burgers to the side, add the mushrooms, and saute. Add the rest of the ingredients aside from ☆, and bring to a boil.
Mix ☆ with a spoon, and add to the pot to thicken. Arrange on a dishes, garnish with green onions, and you are done.
This is a shiso leaf version. It is refreshing, and I recommend you try it this way too!
Story Behind this Recipe
These hamburgers are healthy and easy to digest.
I like mixing meat and tofu! The cooking time depends on the thickness of the hamburgers, so adjust accordingly while keeping an eye on them. Add carrots, mushrooms, onions to the patties, mince up your favorite vegetable and add it in. It tastes great with lots of vegetables as well.