White Castle Cheeseburger Slyders (Copycat) Recipe

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White Castle Cheeseburger Slyders (Copycat)
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  1. FINELY mince one medium onion by hand, or by pulsing in a food processor; PLACE onions into a heavy-bottomed non-stick or stainless steel skillet; ADD 2 tablespoons water and 3/8 teaspoon kosher salt; COOK onions over medium heat until onions are translucent and most water has evaporated (replenish water if necessary to keep onions just moistened); SPREAD onions evenly and levelly in a 15 x 12 baking sheet; LOOSELY cover; PLACE sheet of onions into freezer until almost frozen, adhering to bottom of baking sheet.
  2. START with a clean oven; PLACE oven rack in the lower 1/3 position; PREHEAT oven to 500°F ; In a medium bowl, mix 3/4 lb ground beef with 1 1/2 tablespoons water, 3/8 teaspoon salt and 1/8 teaspoon ground black pepper in a medium bowl with a fork until thoroughly combined; DUMP ground beef mixture onto a COVER ground beef mixture with a sheet of waxed paper; PRESS ground beef mixture into the baking sheet with onions evenly to the edges using hands first, then with a rolling pin if desired, for uniformity; REMOVE waxed paper and discard.
  3. CUT ground beef lightly into 12 symmetrical squares using a pizza cutter (3 across x 4 down) leaving meat intact; POKE 5 evenly-spaced holes into each beef patty square (resembling the 5-dot pattern of standard playing dice), with a thin wooden spoon end or drinking straw, pressing while twisting to bore holes.
  4. PLACE squeezable ketchup and/or mustard, sliced pickles and sliced cheese within easy reach in work station to assemble Slyders quickly when needed; TRIM or cut American cheese to fit Slyders (I usually trim the edges only, but to economize you may cut cheese slices into 4 small portions).
  5. DIVIDE one package (12) Sara Lee Classic Dinner Rolls using a sharp knife for crisp clean edges; CUT each roll to a 1/3 slice for the bottom half, leaving 2/3 for the top bun; REPLACE bun tops; ARRANGE buns on a clean platter.
  6. INSERT a second baking sheet, inverted, over prepared baking sheet with meat and onions to prevent spatter and to help steam; CAREFULLY transfer the baking sheets containing beef mixture into preheated oven wearing oven mitts; CLOSE oven door.
  7. STEAM-BAKE beef patties for about 7-8 minutes or until beef is no longer pink (patties will shrink slightly upon cooking); REMOVE from oven; MOVE baking sheet with cooked patties into work station.
  8. LIFT each beef patty with a slotted spatula and place over bottom buns; PLACE a slice of cheese over each onion-topped meat patty diagonally; ARRANGE dill pickle slices over cheese.
  9. SQUEEZE 1 teaspoon mustard OR 1 teaspoon ketchup evenly onto inner TOP bun; PLACE one meat patty over each BOTTOM bun using a slotted spatula; SET bun tops atop assembled Slyders.
  10. WARM prepared Slyers on platter in microwave at 100% power only until warmed and cheese has melted (about 15 seconds); SERVE warm Slyders immediately and enjoy!
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Nutrition Facts

Per ServingPer 100 g
Amount Per 1 Serving
Calories 293.58 Kcal (1229 kJ)
Calories from fat 103.54 Kcal
% Daily Value*
Total Fat 11.5g 18%
Cholesterol 30.19mg 10%
Sodium 761.03mg 32%
Potassium 135.41mg 3%
Total Carbs 32.76g 11%
Sugars 5.05g 20%
Dietary Fiber 1.78g 7%
Protein 13.37g 27%
Vitamin C 1mg 2%
Iron 2.4mg 13%
Calcium 131.8mg 13%
Amount Per 100 g
Calories 66.46 Kcal (278 kJ)
Calories from fat 23.44 Kcal
% Daily Value*
Total Fat 2.6g 18%
Cholesterol 6.83mg 10%
Sodium 172.29mg 32%
Potassium 30.65mg 3%
Total Carbs 7.42g 11%
Sugars 1.14g 20%
Dietary Fiber 0.4g 7%
Protein 3.03g 27%
Vitamin C 0.2mg 2%
Iron 0.5mg 13%
Calcium 29.8mg 13%

* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Find out how many calories should you eat.


  • salty
  • savory
  • bitter
  • sweet
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Recipe Tags

Weightwatchers Points

  • 6.5
  • 8

Good Points

  • low fat,
  • saturated fat free,
  • low cholesterol

Bad Points

  • High in Sodium

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