Preparation:
Sweet and sour pickled onion you can prepare it in advance of a few days:
- Peel the onions and cut them into rings.
- In a saucepan, bring water, vinegar, sugar and salt to a boil.
- Meanwhile, transfer the onion to the jars and fill the jars with the still hot liquid.
- Close the jars and, once cold, place them in the refrigerator for at least a day before enjoying the onion.
- Remove the meat from the refrigerator and let it acclimatize well covered
- Heat the grill well, at least ten minutes before
- Once hot, start cooking the burgers: for medium cooking, 4 minutes per side are enough
- Once ready, transfer them to a plate and let them rest for 10 minutes, covered with aluminum foil (in this way the juices will be reabsorbed by the meat fibers).
- In the meantime, cut the sandwiches in half and, with the grill still warm, toast them but only on the inside.
- Now prepare the avocado cream: crush the pulp with a fork, add the lime juice, diced tomatoes and salt rule.
It's time to compose the sandwich.
Spread, on the toasted part of the sandwich, the avocado cream, lay the tomato slices, a well-washed and dried salad leaf, the hamburger, the cream cheese, the onion and cover with the other half of the sandwich.
For the cobs:
Season the cobs with the spice mix, salt and oil. Roast them on the grill until golden brown, then serve with chopped parsley and cream cheese.