Onion compote

Ingrediënten

• 50g unsalted butter
• 400g peeled and finely sliced onion (approx. 6 medium onions)
• 2 cloves of garlic, peeled and finely chopped
• 4 sprigs of thyme, leaves picked
• Groundnut or grapeseed oil
• 6 slices of streaky bacon, cut into lardons
• 20g dry madeira
• Salt and black pepper