In a medium saucepan, combine the Arborio rice, almond milk, coconut sugar, vanilla extract, ground cinnamon, and salt. Stir well to combine.
Bring the mixture to a gentle boil over medium heat, then reduce the heat to low.
Cover the saucepan and simmer for about 30-35 minutes, stirring occasionally, until the rice is tender and the pudding has thickened.
If using, stir in the raisins during the last 5 minutes of cooking.
Once cooked, remove from heat and let it sit for a few minutes to thicken further. Serve warm or chilled.
Top with fresh fruit or nuts if desired before serving.