Ingredients for - Umami gravy

1. 100g unsalted butter
2. 20g salted anchovies , chopped
3. 400ml beef stock (the best quality you can get)
4. 20ml sherry vinegar

How to cook deliciously - Umami gravy

1 . Stage

Melt the butter in a pan over a high heat. Bubble, swirling the pan until it turns a nut brown colour. Add the anchovies, and sizzle for 1-2 mins until they dissolve.

2 . Stage

Add the stock and vinegar. Bring to the boil and reduce for around 20 mins to the desired consistency. Sieve and serve.