In a medium saucepan, whisk together the soy milk, rice flour, cinnamon, sugar, nutmeg, and cardamom over medium heat. Stir constantly until the mixture thickens, about 5 minutes.
Remove from heat and stir in the vanilla extract. Pour the pudding into a bowl and let cool for 10 minutes.
Transfer the pudding to a shallow dish and refrigerate for at least 3 hours, or until the pudding is firm. Serve chilled, topped with chopped almonds.
Interesting Facts
Horchata is a popular Mexican beverage made with rice and spices.
Soy milk is a great vegan alternative to dairy milk, as it is high in protein and calcium.
Ground cinnamon and nutmeg add a subtle warmth and depth of flavor to the pudding.