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1
Lay beef across a sheet of parchment paper. Top with the second sheet of parchment paper.
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2
Roll out beef about 1/4-inch thick into 7-10 inch rectangle.
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3
Trim meat edges and use scraps to pat into a rectangle patty.
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4
Season meat generously with salt and pepper. Cut six 3-by-3-inch patties into the square using a spatula.
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5
Poke 5 holes in each patty with a straw in each corner and center.
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6
Melt butter in 12 inch skillet. Add diced onion, saute for 1-2 minutes.
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7
Turn heat to medium-low. Top bed of onions with patties, 4 or more at a time, seasoning side down.
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8
Cover and cook patties around 4 minutes, until cooked through and no longer pink.
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9
Dampen kitchen towel and wrap 6 buns. Place in microwave for 10-15 seconds to steam. Add thin slice of American cheese or Velveeta if desired.
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10
Assemble burgers with 1 tablespoon of cooked onions on bun. Top with pickle slice and Serve with condiments as desired.
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11
Alternatively, omit step 9 and assemble burgers with onion only. Wrap each burger in plastic wrap or small storage bag. Place in larger double wrapped plastic storage bags and store in freezer.
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12
When ready to eat, remove burger from plastic wrap, add cheese if desired and microwave for 10-15 seconds. Add pickle to the burger at the end and serve with condiments as desired.
