Scottish Salmon and Avocado Pie

Ingredients

• 1 cup plain flour
• 1 cup rolled oats
• 125 g butter, softened
• 1 cup grated cheese
• water
• 1 cup cooked rice
• 220g salmon
• 2 medium-sized avocados, chopped
• ½ cup sour cream
• 1 small onion, chopped
• 2 tomatoes, chopped
• 3 eggs, beaten slightly
• 1 tablespoon lemon juice
• 2 tablespoons chopped parsley