INGREDIENTS
1 cup
water
1/2 cup
unsweetened natural or dutch-process cocoa powder
1
and 1/3 cups (167g) all-purpose flour (measured correctly)
2 tsp
baking powder
1/4 tsp
salt
1/2 cup
or 115g) unsalted butter, softened to room temperature
1 cup
granulated sugar
2
large eggs
2 tsp
pure vanilla extract
1 cup
or 230g) unsalted butter, softened to room temperature
3 cups
(360-480g) powdered (confectioners') sugar
2 tbsp
heavy cream*
1/4 tsp
peppermint extract (or more, see recipe instructions)
2
drops green food dye
salt, as needed
2/3 cup
mini chocolate chips