Preheat the oven to 350° F and line a baking sheet with parchment paper, a silicone baking mat, or lightly grease it with nonstick cooking spray and set aside.
Heat a large skillet over medium-low heat, then add the oil, onion and garlic. Cook for 6 to 8 minutes until the onions are translucent. Remove the skillet from the heat and allow to cool.
In a medium mixing bowl, whisk the egg and add the beef, Worcestershire, dijon mustard, bread crumbs, cheese, salt and black pepper. Using clean hands, mix together until all of the ingredients are combined.
Scoop roughly 26 meatballs, each measuring about 1 tablespoon, and transfer to the prepared baking sheet.
Bake for 18-20 minutes, until browned and done.
Top them with a square of lettuce, a cherry tomato and a pickle chip and serve with a fancy toothpick.
Notes
SmartPoints: 4*Optional ingredients not included in nutrition calculations.