When it comes to loose leaf black tea, there are a few things you need to keep in mind. First, start by heating up your milk. Once the milk is heated, add 2-3 tablespoons of loose leaf black tea to a teapot or diffuser. Make sure that the water you use is not boiling, as this will ruin the flavor of the tea. Allow the tea to steep for 3-5 minutes before enjoying. Keep in mind that the longer you steep the tea, the stronger the flavor will be. If you want a weaker cup of tea, simply steep for less time.