01 -
Preheat oven to 200°C and coat a 24-cup mini muffin tin with nonstick cooking spray.
02 -
In a large skillet over medium-high heat, brown the ground beef thoroughly, breaking it apart as it cooks. Remove from heat and allow to cool briefly.
03 -
In a large mixing bowl, whisk together liquid egg whites, shredded cheddar, shredded parmesan, breadcrumbs, ketchup, mustard, and diced dill pickles until uniformly combined.
04 -
Add cooled cooked beef to the egg mixture and stir until evenly distributed.
05 -
Spoon the prepared mixture evenly into the muffin tin slots, leveling the tops and removing any excess mixture between cups.
06 -
Bake in the preheated oven for 23–25 minutes or until the tops are golden brown and set. For standard muffin tins, increase baking time by 3–5 minutes as required.
07 -
Allow bites to cool slightly before transferring from the tray. Serve warm for best texture.