Salmon Quiche Mary Berry

Name: Salmon Quiche Mary Berry
Prep time: 15 min
Cook time: 50 min
Total time: 1 h 5 min
Cuisine: British
Ingredients: 2½ ounces butter; 1 cup wholemeal flour; 1 tsp sea salt; ⅓ cup cold water; ½ cup asparagus (cut into 2 inch lengths); 4 large eggs; ½ cup cream; ¼ cup parmesan cheese, grated; 1 tbsp fresh dill, chopped; 9 ounces smoked salmon; 3 spring onions, sliced; sea salt to taste; freshly ground black pepper to taste