Preheat oven to 350oF (177oC). Whisk together eggs, almond milk and sea salt in a mixing bowl and set aside.
Heat olive oil in a frying pan over medium heat. Add onion and mushroom and saute for 5 minutes.
Add garlic and kale and continue to saute just until kale is wilted. Remove from heat and add to mixing bowl with eggs. Mix well.
Line a muffin tray with liners (parchment paper cups work best). Evenly distribute the egg/kale mixture across the muffin tin leaving some room at the top as the egg will rise. Bake in the oven for 20 minutes.
Remove from oven and let cool before removing the liners. Enjoy!