Ingredients for - Family Secret Meatballs and Sauce

1. Ground beef 2 pounds
2. Rolled oats ¾ cup
3. Chopped sweet onion (such as a Walla Walla) 6 tablespoons
4. Milk 1 cup
5. Salt 1 ½ teaspoons
6. Ground black pepper ½ teaspoon
7. Ketchup 1 ½ cups
8. Worcestershire sauce 3 tablespoons
9. White sugar 3 tablespoons
10. Chopped sweet onion (such as a Walla Walla) 4 ½ tablespoons
11. Apple cider vinegar 4 ½ tablespoons
12. Water ¾ cup

How to cook deliciously - Family Secret Meatballs and Sauce

1 . Stage

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking dish.

2 . Stage

Mix together the ground beef, rolled oats, 6 tablespoons of sweet onion, milk, salt, and black pepper until thoroughly combined. Roll the mixture into 2-inch meatballs, and place meatballs into the prepared baking dish.

3 . Stage

In a bowl, mix the ketchup, Worcestershire sauce, sugar, 4 1/2 tablespoons of sweet onion, apple cider vinegar, and water until the sugar has dissolved, and pour the sauce evenly over the meatballs.

4 . Stage

Bake the meatballs and sauce in the preheated oven until the sauce is bubbling and thickened and the meatballs are no longer pink inside, about 1 1/2 hours. An instant-read thermometer inserted into the center of a meatball should read at least 160 degrees F (70 degrees C).