1
Preheat oven to 300 degrees. F.
2
Heat avocado oil in a skillet over medium-high heat.
3
Add onions and tomatoes and saute for a few minutes. Add spinach and saute until spinach is wilted, then turn off the heat and let it cool slightly.
4
Meanwhile, whisk together eggs, salt, garlic powder, and pepper in a large bowl.
5
Add onions, tomatoes, and spinach to the egg mixture and then pour into a greased sheet pan or baking dish.
6
Bake for 20-30 mins at 300 degrees until egg is set (varies depending on size of pan/dish).
7
After the pan has cooled, cut the egg bake into 10 squares.