James Martin turns his childhood favourite, jelly and ice cream ... to the measured syrup and mix gently to dissolve. Add the raspberry cordial and vodka and mix to combine.

If making raspberry jam, it's crucial to use sterilised jars to store it. To clean the jars, preheat the oven to 140C/120C Fan/Gas 1. Wash the jars well in warm soapy water then rinse thoroughly ...