In a large bowl, combine ground beef, bread crumbs, egg, onion, garlic powder, black pepper, and salt. Mix everything together until all ingredients are thoroughly combined.
Form small meatballs and place on a baking sheet. Bake in preheated oven for 20 minutes.
Meanwhile, in a medium saucepan, combine ketchup, brown sugar, white vinegar, and pineapple juice. Simmer over low heat until the sauce thickens.
Add cooked meatballs to the saucepan with the sauce and stir to coat evenly.
Serve hot with your favorite side dish.
Interesting Facts
This sweet and sour meatballs in sauce recipe is a great way to make a classic dish with a unique twist!
The pineapple juice in the sauce gives it a sweet and tangy flavor.
Ground beef is a great source of protein and iron.