INGREDIENTS
1 tbsp
olive oil
1 tbsp
butter
1
cup/125g chestnut mushrooms
1/2 tsp
salt
1
onion (small, chopped)
2 cloves
garlic (minced)
1
lbs chicken breasts (skinless, boneless)
1/2 tsp
salt
1/4
cup/70 ml white wine (dry)
1/3
cup/85 ml chicken stock
1 tsp
whole grain mustard
1 tbsp
tomato paste
1
bay leaf
1
cup/250ml sour cream (or smetana)
1 tbsp
parsley (chopped)