Cabbage and Potato Cakes with Red Onion Marmalade - Vegetarian Society

Ingredients

• 3 baking potatoes (no less than 550g/1¼ lb)
• 100g cabbage, chopped or shredded
• 100g brussel sprouts, halved
• 2 tbsp olive oil
• 2 tsp mustard seeds
• 1 onion, chopped
• salt and freshly ground pepper, for seasoning
• 15g butter/vegan margarine
• 1 tbsp olive oil
• 2 red onions, sliced
• 4 medium ripe tomatoes, chopped
• 2 cloves garlic, crushed
• 50ml balsamic vinegar
• 1½ tbsp muscovado sugar
• salt and pepper, for seasoning