start with 5 minutes
in the microwave & then
check if it is done

1 stick vegan butter, 1/4 c full fat nondairy milk, 2 t vanilla, 1/2 t instant espresso powder, 3/4 c brown sugar, 1 c flour, 1/3 c cocoa, 1 t kosher salt, 1/2 t powder, 1/4 t soda; toppings: 1/2 c brown sugar, 1/4 cocoa, 1/4 t kosher salt, 3/4 c hot water
melt butter & grease pan, stir in rest; add toppings in order; microwave 5-9 minutes; serve with vegan ice cream