Beetroot and apple smoothie
Trim and peel the beetroot and chop, then transfer to a food processor. Blend for 1 min, then slowly add 400ml of cold water, while the blade is turning. Blend until the beetroot is puréed. Strain the juice with a sieve into a jug until totally drained. Discard the pulp. Peel then grate the ginger, zest and juice the lemon, peel, core and chop the apples. Add these ingredients to the food processor. Blend until smooth. Mix in the beetroot juice and blend again. Divide between four glasses and serve.