Vegetable stock
- Add butter and oil in large pot.
 - Add mirepoix:
- 2 parts onions
 - 1 part celery without leaves
 - 1 part carrots
 
 - Cover and let steam for 5 minutes.
 - Add garlic cloves, bay leaves, thyme, black pepper corns and corns, parsley.
 - Add hot water and bring to simmer.
 - Add a little bit of white wine.
 - Skim any fat that rises at the top.
 - After 45 minutes, strain and cool down in ice bath.
 - Skin extra fat.