Teriyaki Chuck Roast

• 4 lb (1.8 kg) boneless chuck roast, well trimmed
• 1 large onion, cut in chunks
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Pierce roast deeply on both sides with a fork and place in sprayed 9- x 13-inch ovenproof dish.

Slicer: Slice onion, using medium pressure. Wrap well and refrigerate until needed.

steel blade: Drop garlic and ginger through feed tube while machine is running; process until minced. Add remaining ingredients except onion and process for a few seconds to blend. Pour marinade