Plunger Coffee Brewing Tips Coffee plungerStart with delicious freshly roasted coffee. Preheat your cup and plunger with hot boiled water. Add to the plunger, one rounded tablespoon of correctly ground coffee per cup (ie ground courser than for espresso). Add the required number of cups of freshly boiled water. Gently stir to mix the grounds, then replace the lid. Be careful not to chip the glass when stirring. Good fresh coffee will create a slightly creamy look, as carbon dioxide is released. Wait no more than a few minutes, then depress the plunger slowly to avoid spillage, and to keep all the coffee below the mesh. It is safest to place the plunger on a non-slip surface. Connoisseur’s Tips As with filter coffee, plunger coffee brewing reveals the delicate taste nuances that espresso brewing may overpower. Serve immediately - as the coffee will grow bitter if left too long in the plunger. For the perfect water temperature, bring the water to a boil, and let it cool a few seconds.