Slow Cooker Chocolate and Mint Aero Bubble Cake

INGREDIENTS

190 g

plain flour

1 tsp

*baking powder

50 g

(1/3 of a cup plus 2 tablespoons) cocoa powder

200 g

(3/4 of a cup plus 2 tablespoons) light brown sugar

125 g

(half a cup plus 1 tablespoon) butter

eggs

180 milliliters

milk (I used semi-skimmed)

large share bag of Mint Aero Bubbles