INGREDIENTS
8 oz
Ground beef chuck
1/2
Red onion, small
1
Egg, large
1/2 cup
Dill pickle chips plus
1/2 cup
Ketchup
1/2 cup
Mayonnaise
1/4 cup
Mustard, yellow
1
All-purpose flour
1
Kosher salt and freshly ground black pepper
1 tbsp
Canola oil
2
sheets One 1.1-pound package frozen puff pastry, frozen
4
slices American cheese