Metal panel standing seam roof recovers installed over an existing shingled roof. The existing shingled roof comprises a plurality of shingles installed in overlapping rows running across the pitch of the existing roof. The rows of shingles have a covered upper edge and an exposed lower edge. The recover system comprises a plurality of panel clips mounted to the existing shingled roof and arranged in linear arrays running along the pitch of the existing roof. The panel clips have a base that extends across and is supported by the lower edges of a first row of shingles and an adjacent second row of shingles. A recover is attached to the panel clips. The recover comprises a plurality of elongated metal panels having upstanding sides defining lateral edges with a trough therebetween. The metal panels are interconnected along adjacent lateral edges by sidelaps formed on the panel clips.