Hazırlanışı
1Preheat oven to 160°C. Heat 28 g olive oil in a heavy pot over medium-high heat.
2Season 1000 g beef with salt and pepper. Brown all sides 8–10 minutes until deeply caramelized. Remove and set aside.
3Add 500 g sliced onions and 1 g celery to the pot. Cook 5 minutes over medium heat without stirring until golden.