Christmassy 'Eggnog' - Vegan Recipe

Ingredients

• 3 tablespoons custard powder*
• 75 g (2 3/4 oz) caster (superfine) sugar
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon mixed spice
• 60 ml (2 fl oz/ 1/4 cup) rum
• 1 litre (34 fl oz/4 cups) unsweetened soy milk (if you use sweetened or vanilla, you may need to reduce the sugar. Using unsweetened milk allows you to control the sweetness.)
• 1/2 teaspoon vanilla
• 1/4 teaspoon salt