In a medium bowl, combine ground beef, salt, pepper, garlic powder, Worcestershire sauce, and honey.

Shape the mixture into 1-inch meatballs.

In a separate small bowl, whisk together ketchup, Worcestershire sauce, plum jam, sugar, red pepper flakes, ground ginger, garlic powder, salt, and pepper.

Heat a wok or large sauce pan on medium-high heat with a little oil.

Saute the meatballs in the heated pan until browned on all sides.

Pour the sweet and sour plum sauce over the browned meatballs.

Reduce the heat to low and simmer for 3 minutes, allowing the sauce to thicken and coat the meatballs.

Serve the sweet and sour plum meatballs over rice or enjoy in a bowl.