Pumpkins and squashes herald the start of autumn, when thoughts turn to cooking warming, nourishing food. This is when these versatile ingredients shine. Varieties are countless, but worth a special mention are crown prince, butternut and – my favourite – delica, with its dense, intensely sweet, rich and buttery flesh. Always look for bright skin without blemishes and ensure it is firm to the touch. This is an absolute winner, especially when still a little warm. Banana is tried and tested in loaves, pumpkin less so – but the combination is delicious. I had to stop myself adding more ginger, but I think this is just the right balance. It is great for elevenses or afternoon tea.