Sweet and Sour Beef

Step 1

Heat a deep skillet over medium heat. Cook and stir beef in hot skillet until completely browned, 7 to 10 minutes. Transfer beef to a slow cooker.

Step 2

Whisk water, vinegar, soy sauce, brown sugar, and cornstarch together until smooth; pour over the beef.

Step 3

Cook on Low until the beef is tender and the sauce is thick, 6 to 8 hours.