1. Wash and deseed the peppers and cut them into 2-3 cm wide strips

2. Line a baking sheet with aluminum foil, cut the peppers and brush the skin with olive oil, and bake in the oven for 20 minutes at 200°C on both sides of the flame

3. Bake the peppers, and then wrap the foil around the peppers for about 20 minutes

4. 4. Open the foil and remove the skin of the peppers

5. Tear the peppers by hand into suitable sizes and sprinkle with black pepper, salt, red wine vinegar, a little olive oil and marinate for 10 minutes.