Steps:
1. Soak the black tea bag in boiling water for 2 minutes, then take it out and naturally cool it.
2. Pour into ice cubes and freeze into pieces.
3. Slice the green lemon.
4. Brew with cold boiled water.
5, add rock sugar, soak for 20 minutes, bubble out lemon flavor, and melt rock sugar.
6. Finally, add the pre-frozen black tea ice cubes.
7. finished products.