Put first ing. in blender, using high speed, 1 min or till smooth. Pour into 2 litre saucepan & cook, stirring constantly over med-high heat, or til smooth & thick. Turn heat to low and add chicken. Heat gently thoroughly. Split buttermilk biscuits each in half and arrange in oval shaped serving dishes. Spoon chkn & gravy over split biscuits allowing 1 biscuit per serving.