Rolled Loin of Pork with Apple and Pear Chutney

Ingredients

• 1.6kg rolled loin of pork
• 1–2 tbsp olive oil
• 1 brown onion, cut into thin wedges
• 2 tsp fennel seeds
• 1¼ cups red wine vinegar
• 2 cups caster sugar
• 2 pink-skinned apples (285g), quartered, core removed and thinly sliced
• 2 pink-skinned pears (340g), quartered, core removed and thinly sliced