Instructions: Combine roast and onion in a 4-quart crockpot. Combine cola and next 7 ingredients; reserve 1/2 cup in refrigerator. Pour remaining mixture over roast and onion. Cover, cook on HIGH 6 hours or until roast is very tender; drain and shred roast. Keep warm.

Combine reserved 1/2 cup cola mixture, ketchup and butter in a small saucepan; cook mixture over medium heat, stirring constantly, just until thoroughly heated. Pour over shredded roast, stirring gently. Spoon onto buns and serve with chips and pickle spears.

This recipe yields 6 servings.

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