½ tsp onion powder
½ tsp garlic powder
½ tsp freshly ground black pepper
½ tsp kosher salt
1 lb ground chuck
8 buns, (3-inch) or rolls, split in half
3 tbsp mayonnaise
Preheat the oven to 250 degrees F. Preheat a griddle to 350 degrees F.
Combine the onion powder, garlic powder, pepper, and salt in a small bowl. Set aside.
Line a jellyroll or sheet pan with parchment paper, and place the ground chuck in the middle of the pan. Cover the meat with a large sheet of plastic wrap. Roll meat with a rolling pin until it covers the surface of the pan; it should be very thin.
Remove the plastic wrap, and sprinkle the meat with the seasoning mixture. Fold the meat in half, from side to side, using the parchment paper. Use a pizza wheel to cut the meat into 8 even squares.
Wrap the buns in foil and place in the oven for 5 to 10 minutes. Meanwhile, place the burgers on the griddle and cook for 2 to 3 minutes per side.
Remove the buns from the oven. Spread a small amount of mayonnaise on each bun and top with the burger and any other condiments, as desired. Serve immediately.
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