Preparation: Preheat your oven to 350°F and spray a loaf pan with non-stick cooking spray.
Meat Mixture: In a large mixing bowl, blend together the lean meat, shredded whole wheat bread, chopped Vaidila onion, egg whites, a pinch of salt, and ½ teaspoon of pepper.
Sauce Blend: In a separate bowl, whisk ketchup, mustard, and Worcestershire sauce until well mixed.
Combine: Pour the sauce over your meat mixture. Use your hands to gently integrate the sauce into the meat.
Shape and Bake: Mold the meat mixture into a loaf shape and place it in the prepared pan. Pop it in the preheated oven.
Cook and Check: Bake for 55 minutes at 350°F, ensuring the meatloaf is cooked through.
Rest and Slice: Remove from oven and allow a 10-minute cooling period before slicing it into 5 even portions.
Presentation: Plate it up and get ready to savor a guilt-free, delicious meal!