Hazırlanışı
1Melt 91 g unsalted butter with 28 g olive oil in a large pot over medium heat.
2Add 800 g sliced onions and cook, stirring occasionally, until deeply caramelized, about 40-50 minutes.
3Stir in 5 g dried thyme, 5 g salt, and 5 g pepper, then cook for 1 minute.