Preheat oven to 350 degrees
Heat avocado oil in a large skillet on medium heat.
Sauté the mushrooms onions and peppers for about 7 minutes
Then add the asparagus and cook for about 5 more minutes or until tender.
Drain the excess liquid very well.
In a large mixing bowl, whisk the eggs until combined. Add the cooked mushrooms, asparagus, onion, red pepper
Divide the mixture evenly between the muffin tin.
Bake at 350 degrees for 20-25 minutes, until set and a knife inserted in the center comes out clean.
Store in the refrigerator