2: Frost to cover the cake (3)
3: I bang rock, disturbing snake (4,5)
4: I turn, lost, in Italian city (5)
5: Turncoat's first motive for disloyalty (7)
6: Snuggled in armchair, cute Bob (7)
9: Poles suffer internally - they're hard (5)
11: Fix the oil platform ... (3)