You will need: Some piece of fresh ginger, peeled and sliced 1 liter of water Juice of a Lemon (optional) How to Make It Combine water and ginger in a medium saucepan over high heat; bring to a boil. Reduce heat to low, and simmer 15 minutes. Strain. Add lemon, only if you want it. Pour half mixture in a glass to consume in the morning on an empty stomach and save the other half to consume before dinner. These will stimulate digestion and set you up to burn fat!