Similar produce methods to pu-erh tea, each of these pressed dark tea bricks is 80g (about 2.8 oz) and can brew about 40 cups of tea. Break it along the lines in the back to brew a pot of tea. It has a thick, earthy flavor. Add milk to give a rich taste or add yellow chrysanthemum to give a fresh flavor. Dark tea is believed to help digestion, lower cholesterol level and blood pressure and help control body weight. The older this tea is the better its taste will be.