Dijon Mushroom Potatoes

1 medium onion
1 sweet green bell pepper
1 small carrot
1/2 lb. mushrooms
1/2 cup stock or boullion
1 tbsp. dark soy sauce
1 tbsp. Dijon mustard
1 tbsp. cornstarch
freshly−ground black pepper
Chop the onion, deseed and chop the green pepper, peel
and grate the carrot and slice the mushrooms, halving them
across the other way first if they are large.
Saute the vegetables in the water or stock, in a large
frying pan, until most of the liquid is gone and the vegetables
are soft.
Mix the remaining ingredients together in a bowl, adding a
bit of water if you wish (makes a thinner sauce) and add to
the vegetables in the pan. Mix well and cook, stirring, over
low heat for about a minute until thickened.
Pour over hot, split baked potatoes (enough for about four
potatoes) with a crisp green salad on the side.