- Preparation and cooking time
- Serves 6
- STEP 1
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.
- STEP 2
Add the stock and vinegar. Bring to the boil and reduce for around 20 mins to the desired consistency. Sieve and serve.