01 -
Preheat oven to 350°F (175°C). Grease a standard loaf pan with nonstick cooking spray.
02 -
Heat olive oil in a skillet over medium heat. Sauté diced onions until translucent, about 3–4 minutes. Transfer to a plate and allow to cool slightly.
03 -
In a large mixing bowl, blend ground beef, crumbled bacon, panko breadcrumbs, yellow mustard, Worcestershire sauce, salt, pepper, egg, cheddar cheese cubes, and cooled onions. Ensure an even distribution without overmixing.
04 -
Transfer the mixture into the prepared loaf pan, gently shaping it into a firm loaf.
05 -
Spread ketchup across the surface. Bake in the preheated oven for approximately 60 minutes, or until the internal temperature reaches 160°F (71°C) and the loaf is cooked through.
06 -
Remove from the oven and rest for 5 minutes. If desired, garnish with chopped parsley before slicing and serving.