Ingredients:

1 lb ground beef (or substitute with ground turkey or chicken)
1/2 cup breadcrumbs
1/4 cup grated Parmesan cheese
1/4 cup milk
1/4 cup ketchup (plus extra for topping)
1 large egg
1 small onion, finely chopped
1/2 teaspoon garlic powder
1/2 teaspoon dried oregano
1/2 teaspoon salt
1/4 teaspoon black pepper
Cooking spray
Instructions:

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