Ingredients: (2 servings) (333 kcal)

7 oz. or 200 g. beef, medium thinly sliced
1/6 tsp salt
1 tbs. vegetable oil

For maitake sauce:
1-3/4 oz. or 50 g. maitake mushrooms
1/2 tbs. butter
pinch of salt and pepper
A-mixture:
1/2 tbs. butter
1/2 tbs. flour
80 cc. milk

Garnish:
3-1/2 oz. or 100 g. spinach

Method:
(#1.) Blanch the spinach and cut into manageable lengths. Saute in butter and transfer to a plate.
(#2.) In a bowl, blend the flour and milk of A-mixture well. Add the butter and heat, uncovered, for the about 1-2/3 minutes in a microwave oven. Mix well and season with a pinch of salt and pepper to taste.
(#3.) Divide the maitakes into small clusters. Saute briefly in 1/2 tbs. of butter. Sprinkle with a pinch of salt and pepper and add to Method-#2
(#4.) Sprinkle salt and pepper over the meat. Pan-broil in a skillet and transfer to the plate. Pour Method-#3 over the meat and spinach. Serve.