1Arrange onion slices evenly over the bottom of the slow cooker, and then place the roast on top of the onion. In a bowl, mix together water, sugar, vinegar, soy sauce, ketchup, black pepper, salt, garlic powder, and hot sauce; pour over roast.
2Cover, and cook on Low for 6 to 8 hours, or on High for 3 to 4 hours.
Footnotes
Easy Cleanup
Try using a liner in your slow cooker for easier cleanup.