Preheat oven to 350.
In a large mixing bowl whisk the flour, baking soda, and salt.
In the microwave safe bowl melt the butter. Add the coconut milk, sugar, egg, and vanilla. Mix with a fork to get the clumps out.
Add the wet ingredients to the dry. Mix until combined.
Put the batter in a plastic bag to make a piping bag. cut the tip and pipe into donut pan. Bake for 15 minutes or until toothpick comes out clean.