Grilled New Potatoes

Ingredients

• 450 g (1 lb) small new potatoes, washed and halved
• 45 ml (3 tbsp) olive oil
• 2 cloves, garlic, minced
• 1 green onion, sliced thinly
• 2 sprigs, rosemary, leaves only
• 30 ml (2 tbsp) hot mustard
• Salt and freshly ground pepper, to taste