1. Heat oil, add corn kernels after the oil is hot, stir fry over medium-high heat
2. Make sure that every corn kernel is covered with oil, the corn kernels will bubble up
3. Stir fry slowly until three to five bursts
4. Put the lid on immediately, let it burst, and turn the pot from time to time to avoid burning the bottom
5. When there is no sound inside, you can open the lid, continue to stir fry to remove the moisture, and serve it out
6. To make caramel, pour in sugar, add water, and cook on medium-to-low heat without stirring
7. Turn to low heat, add butter and continue to fry
8. Add popcorn and stir fry so that the popcorn is evenly covered with caramel
9. Stir-fry evenly and you can get out of the pot
