INGREDIENTS
oil, for frying
1
large onion, cut in half, then thinly sliced
2
eggs
2 tbsp
buttermilk
1 1/2 cups
flour
2 tsp
salt
2 tsp
black pepper
2 tsp
garlic powder
1/2 cup
mayonnaise
1/4 cup
ketchup
2 tbsp
sweet pickle relish
2 tsp
white vinegar
2 tsp
Worcestershire sauce
1/2 tsp
garlic powder
1/2 tsp
onion powder
1/2 tsp
black pepper
4
high quality hamburger buns like a brioche or french bun
2 lb
ground chuck or ground beef (80% to 85% lean)
Seasoned salt
black pepper
4
slices medium or sharp cheddar cheese
Green leaf lettuce
Tomatoes, sliced