Warm Olives with Anise and Grilled Lemon

Ingredients

• • 1 jar (375 ml) mixed olives with pits, drained (see note)
  • 2 tbsp (30 ml) olive oil, plus more for the lemon
  • 1 garlic clove, unpeeled, slightly crushed
  • 1/2 tsp anise seeds
  • 1/4 tsp red pepper flakes
  • 1/2 lemon
  • 2 rosemary sprigs
  • 1 tbsp (15 ml) anise-flavoured liqueur (such as ouzo, arak, pastis)