She makes 4 cuts on an onion: here's a simple trick but the result is AWESOME !

This video shows you how to create in no time an excellent side dish for your meals that will also add a floral touch to the table. Simply make four cuts on the onion, sprinkle with olive oil, balsamic vinegar, salt and pepper (optional) and cook them in the oven at 220 ° C for about half an hour: the result will impress your guests.