In a medium saucepan, whisk the egg. Add everything else except the vanilla. Cook, stirring frequently, over medium heat for 15 - 20 minutes until it begins to thicken.
1 egg, 2 cups cooked white rice, 2 cups cashew milk, 1 cup sultana raisins, 2 tablespoons raw sugar, ½ teaspoon ground cinnamon, ⅛ teaspoon ground nutmeg, ⅛ teaspoon fine sea salt
Remove from heat, stir in the vanilla.
1 teaspoon pure vanilla extract
Serve warm. Sprinkle a little additional cinnamon over each serving, if you wish.
Notes
I've tested this recipe with both dairy and nondairy milk. We didn't notice any difference.