Sweet potato can be fried and eaten. It's delicious. The main ingredient is sweet potato 300g, and the auxiliary oil salt is ginger, onion, garlic, white vinegar and green pepper. Step 1. Prepare sweet potatoes. 2. Peel and wash the sweet potato. 3. Then cut into thin slices. 4. Shred ginger, diced onion, sliced garlic and diced green pepper. 5. Add salad oil to the pot. When the oil temperature is 80% hot, add shredded ginger, chopped green onion and garlic slices and stir-fry until fragrant. 6. Then add the sweet potato and stir well. 7. When the local melon is slightly discolored, add white vinegar and stir fry evenly. 8. Continue to stir fry a few times, then add green pepper and stir fry for about 30 seconds.