Kava – Easy & Simple Tea Recipe. Step 1 Measure out the proper quantity of Boss Kava root. A regular serving size for one individual is 2-4 Tablespoons. This will depend on your body. Please consult with your physician before taking any supplement! Step 2 Measure out 8-12oz. of piping hot water. Place your favorite mug, with a filter or a strainer bag place your Boss Kava inside. Step 3 The water in