Fried Pickle Double Cheeseburgers with Big Mac Sauce

mayonnaise (regular or low-fat)

ketchup or French dressing

Dijon mustard

diced dill pickles

minced onion

large egg

beer or club soda

baking powder

all-purpose flour

or two of salt

vegetable oil, for frying

jar dill spears or chips, drained and patted dry with paper towels

+ ¼ pounds ground beef

salt and pepper

slices American or cheddar cheese

sesame seed hamburger buns, toasted

leafy lettuce