Dashi Onion Cream

• 10 g (¼ oz) unsalted butter
• 3 teaspoons olive oil

Heat the butter and olive oil in a small heavy-based saucepan over medium heat. When lightly bubbling, add the onion, garlic and thyme. Cover and sweat gently for 3 minutes. Season with salt and continue to sweat, stirring occasionally, until the onion is tender. Add the milk, cream and ichiban dashi to the onions, and increase the heat to a simmer. Simmer for 5–10 minutes, or until lightly thi