Rare roast beef with griddled polenta
By Matt Tebbutt From Saturday Kitchen Ingredients For the griddled polenta 700ml/1¼ pint chicken stock 150g/5½oz fine polenta 200g/7oz Parmesan cheese 80g/3oz unsalted butter, plus extra for greasing dash olive oil For the rare roast beef dash oil 400g/14oz beef fillet For …