Preheat oven to 350F and place a container with 1 cup of water on the bottom rack.
Add pumpkin and coconut milk into dry ingredients and mix well.
Whip up egg whites until stiff.
Slowly fold egg whites into dough.
Spread dough into a well greased loaf pan, then place into the oven and bake for 75 minutes.
Let cool, then slice and serve!