- 1 cup white vinegar
- 1 cup water
- 1 tablespoon salt
- 1 tablespoon sugar
- ½ pound jalapeno peppers, sliced
- 1 pound ground beef
- 2 tablespoon pickled jalapenos, chopped
- salt, to taste
- pepper, to taste
- 4 slices pepper jack cheese
- 4 hamburger buns, toasted
- pickled jalapenos, for serving
- sliced red onion, for serving
- lettuce leaves, for serving
- Bring the vinegar, water, salt, and sugar to a simmer in a small sauce pan. As soon as the sugar and salt are dissolved, remove the pan from the heat and pour the brine over the sliced jalapeños . Store (in a covered jar) in the refrigerator overnight.
- Combine the ground beef and chopped pickled jalapeños and mix, just until combined. Gently form the beef into 4 patties and then season each patty with salt and pepper.
- Grill the burgers, about 5 minutes per side, until they reach an internal temperature of 160 degrees F. Add one slice of cheese to each patty and grill for one minute more.
- Serve the burgers on the toasted buns, topped with more jalapeños , red onion slices, and lettuce.