1: Partially affect a steak's flavor (5)
2: Nothing we have to pay (3)
3: Starshine somehow loses its shine (9)
4: Roman date and time that is in Latin (2,3)
5: How to eat the heart of marsupial (3)
9: African leader reversed stance on fabled writer (5)
10: Ball mislaid? Caned (5)
11: A hint for the snooker champ? (3)
13: Clear initial rubbish in drain (3)