Pre-bake pie shell for 8 minutes. If puffed, prick a few times with a fork.
In a small bowl, beat eggs, cream, mustard and spices. Set aside.
Sprinkle green onions, salmon, cheese and kale in bottom of pie shell. Pour egg mixture over top, do not over-fill. Bake at 400ºF for 40 to 45 minutes until set and golden brown. Enjoy!