Baked vegetables with cumin - Potatoes New Zealand

Ingredients

• 2 carrots, peeled and sliced into chunks
• 3 onions, peeled and sliced into wedges
• 2 parsnips, peeled and sliced into chunks
• 3 baking potatoes, washed and sliced into chunks
• 1 kumara, washed and sliced into chunks
• ½ cup vegetable oil
• ½ cup lemon juice
• 3 Tbsp brown sugar
• freshly ground black pepper, to taste
• 1 tsp ground cumin