Smash Burger Sandwich Crispy and juicy

The Smash Burger is a true star of the grids and frying pans.This hamburger differs by the "Smash" method the meat, resulting in a supercourse outdoor and an intense flavor that fits perfectly with a soft brioche bread and an irresistible sauce.Here is a step by step guide for you to recreate this delight in your kitchen!
### Ingredients
- ** for hamburgers: **
- 500g of ground beef (20% fat is ideal)
-Salt and black pepper to taste
- ** for the special sauce: **
- 1/2 cup of mayonnaise
- 1 tablespoon of mustard
- 1 tablespoon ketchup
- 2 tablespoons of fine chopped pickles
- ** For assembly: **
- 4 brioche breads
- 4 slices of cheddar cheese
- Lettuce leaves
- Tomato slices
- Purple onion in thin slices (optional)
### Preparation mode
1. ** Prepare the special sauce: **
- In a small bowl, combine mayonnaise, mustard, ketchup and chopped pickles.
- Mix well until everything is uniformly incorporated.Reserve the sauce.
2. ** Mold the meat balls: **
- Divide the ground beef into 8 equal portions (about 60g each).
- Roll each portion in a compact ball.It is not necessary to shape traditional hamburgers;Only the balls will do the work.
3. ** Cook the hamburgers: **
- Heat a cast iron frying pan or a plate over medium-high heat.
- Put the meat balls in the hot frying pan.Let it cook for 20 seconds.
- With a strong, flat spatula, press each ball of meat down until a thin disc form.Season with salt and pepper.
- Let it cook until the edges of the hamburger are golden and crispy for about 2 minutes.
- Turn the hamburgers, put a slice of cheese on each and cook for another minute.
4. ** Mount the sandwich: **
- Tower lightly brioche breads in the frying pan or toaster.
- Spread a generous layer of special sauce in both halves of bread.
- In base bread, place the hamburger with cheese, followed by lettuce, tomatoes and purple onion.
- Cover with the other half of the bread.
5. ** Serve: **
- Serve immediately while the hamburger is still hot and the melted cheese.
This Smash Burger sandwich is perfect for a casual dinner or a date with friends.It combines perfectly with crispy chips and a cold drink.Try it and find out why this burger is so popular!