Preheat oven to 350 °F (175 °C). Grease a baking dish (I used a ceramic pie dish).
In a large bowl, whisk coconut and evaporated milk with sugar and spices.
Add cassava, pumpkin, melted butter, coconut milk, baking powder, vanilla, ginger, and raisins. Mix well into a thick batter.
Pour into the prepared dish and bake on the middle rack for 1 hour.
If the center is still wet, continue baking 10–20 more minutes, checking with a toothpick.
Allow the cassava pone to cool fully before slicing.