Step 1. Place the grated ginger into a small saucepan with 3 cups water. Bring to a simmer. Reduce the heat to low and simmer for 10 minutes uncovered.
Step 2. Strain the ginger water using a tea strainer.
Step 3. Transfer to large ice cube trays. Add about 5 lemon triangles to each cube. Freeze overnight. Good for up to 3 months.
Step 4. For serving: Add one to two cubes to a mug or an insulated bottle with the desired amount of hot water. Enjoy warm or chilled.
Storage: Freeze Lemon & Ginger Tea ice cubes for up to 3 months.