Instructions: Combine first 5 ingredients; stir well. Add steak and shrimp; cover and marinate in the refrigerator for 3 to 4 hours or overnight.

Cut a thick slice from top and bottom of pineapple. Quarter pineapple lengthwise; remove rind and core. Cut inot 1-1/2 inch thick chunks. Set aside.

Remove steak and shrimp from marinade, reserving liquid. Alternate steak, shrimp, pineapple, and mushrooms on skewers for grilling.

Gradually stir cornstarch into reserved marinade in a small saucepan; cook over medium heat, stirring constantly, until thickened and bubbly.

Grill kabobs 3 minutes over medium coals; turn and brush with marinade.

Grill 5 minutes or until desired degree of doneness, brushing with marinade as needed.

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