Mix the puffed amaranth and soy yogurt, then stir in 2 tablespoons of agave syrup. Add the ground vanilla and stir to combine.
Wash and drain the raspberries, then toss with 1 tablespoon of agave syrup.
Roast the coconut flakes in a dry pan over low heat for 2-3 minutes, stirring occasionally, until they turn light golden. Mix with the remaining agave syrup.
In a glass, layer as follows: raspberries, yogurt mixture, raspberries, yogurt mixture, and top with roasted coconut flakes. If desired, drizzle a few drops of agave syrup over the top.