GRILLED SWEET POTATOES

GRILLED SWEET POTATOES 1 garlic clove, minced 3 tbs soy sauce 2 pounds sweet potatoes, unpeeled 1 tbs peeled grated ginger 3 tbs oil Place sweet potatoes in a saucepan, cover them with water. Bring to boiling, cook sweet potatoes until tender. Drain cooking water, rinse sweet potatoes under cool water, drain again. Cut sweet potatoes crosswise into 1/2" thick slices. Place slices in a baking dish. Combine remaining ingredients and pour over sweet potatoes. Marinate potatoes at room temp 30 min. turning slices once. Drain slices, reserve marinade. Prepare grill. Coat a grill rack with cooking spray. Add potato slices to grill. Cook slices 1 min. Flip slices, brush with reserved marinade, grill until browned, then SERVE