Preheat oven to 350 degrees.
In a large mixing bowl, whisk eggs together with almond milk. Stir in salt, pepper, and gruyère. Set aside.
Heat oil in a skillet over medium heat.
Cook leek in skillet for about five minutes or until lightly browned.
Add garlic and cook for about 1 minute until fragrant.
Add leek and garlic to the egg mixture and stir to combine.
Pour egg mixture into an 8”x8” baking dish coated with cooking spray.
Bake for 25 minutes or until eggs are set in the middle.
Enjoy!