Mushrooms add a rich savoury flavour to a lentil bolognese; a punchy spoonful of yeast extract will boost the flavour of the ragu further. Serve with pasta, or use in a vegetarian or vegan lasagne.

For this recipe you will need a 18cm/7in deep cake tin. Put the milk and yeast in a small bowl and ... Stir in melted butter, Marsala wine and vanilla extract. Place the flour and salt into ...

He derived the recipe for his beer from the Ebers Papyrus ... A group of scientists in Israel were able to extract the yeast from a jar that dates back to the 9th Century BC.