Cake gluten free: chocolate with toasted coconut stable buttercream

 1 stick butter 

1/2 cup chocolate chips

5 eggs 

1 cup sugar

1/2 cup chocolate powder Dutch 

1/2 cup liquid - milk,alt milk, soda water 

1-2 tsp vanilla 

3 cups almond flour 

1/2 cup tapioca starch 

1/2 cup corn starch 

2 tsp bp

1/2 tsp salt