1 lemon, zest and 2 tsp juice
2 tbsp lemon juice
150g/5½oz arborio rice
75g/2¾oz caster sugar
nutmeg, for grating
¼ tsp fine sea salt
2 tsp vanilla extract
75g/2¾oz soft unsalted butter, plus extra for greasing the tin
3 large free-range eggs, separated
700ml/1¼ pints full-fat milk
dash raspberry liqueur, such as Chambord (optional)
200g/7oz seedless raspberry jam