Delicious Meat Cooked in Mushrooms Creamy Sauce

Good evening
For dinner tonight, I offer you a delicious dish, veal paupiettes with mushrooms.
The golden meat, well cooked with the juicy mushrooms, the creamy sauce, a real delight.
Ingredients and Cooking
Brown the veal paupiette in olive oil and butter. Add 1 spoon of flour, water and 2 cubes of broths.
When it starts to boil, close and cook for 25 minutes over medium heat
Add mushrooms and then cook for another 25 minutes and it's ready.

[@zahrafirdaus7689]

What is the white thing surrounding the meat?

[@sarinaviola5497]

Du gras

[@zahrafirdaus7689]

Thank you@@sarinaviola5497