Step1:Prepare the materials. Onion. Pepper. Green beans.
Step2:Heat the pot. Pour in the oil. Stir fry the onion twice.
Step3:Stir fry the beans.
Step4:Add pepper. Stir fry until the color is darker. Add salt and vinegar.
Step5:Stir fry again. Dish.
Cooking tips:Students who don't have red peppers can use green peppers instead. It's OK to put green peppers in home dishes. It's easy to learn. It's good to cook.