To the dry mix of one box of cake mix, pour in 12 ounces of your choice of soda. Stir to combine. Pour the batter into a well-oiled and flour-dusted pan Pro-tip from the Reddit post I referenced: "for ...
Equipment and preparation: you will need a 7cm/2¾in diameter plain biscuit cutter and a 25cm/9in round cake board. For the ice box coffee biscuits, place the butter and sugar into a bowl and beat ...