Preheat oven to 350°F (175°C).
In a bowl, mix flour, baking powder, baking soda, cinnamon, nutmeg, and salt.
In another bowl, combine grated carrots, almond milk, maple syrup, coconut oil, and vanilla extract.
Gradually add dry ingredients to wet ingredients, mixing until just combined.
Fold in walnuts and raisins.
Pour batter into a greased baking dish and bake for 30 minutes or until a toothpick comes out clean.
Let the cake cool completely, then crumble it into pieces.
In a separate bowl, whip coconut cream with powdered sugar until fluffy.
In serving glasses, layer crumbled cake and whipped coconut cream.
Chill in the fridge for at least 1 hour before serving.