Baked potato boats

Ingredients

• 2 medium-sized baking potatoes or sweet potatoes
• 100g tinned fish eg tuna in spring water
• 2 tablespoons unsweetened low-fat plain yoghurt
• 3 tablespoons cooked sweetcorn (canned, fresh or frozen)
• 2 spring onions, finely chopped
• 1 tablespoon lemon juice
• Freshly ground black pepper, to taste
• 1 x 210g can kidney beans in water, drained
• 2 tomatoes, chopped
• 1 teaspoon ground cumin
• 1 teaspoon mild paprika
• 1 tablespoon unsweetened low-fat plain yoghurt
• Small bunch of chives, finely chopped
• ½ an avocado
• 2 tablespoons low-fat cream cheese