Preheat oven to 325°F.
Lightly grease 12 nonstick muffin tins and set aside.
Heat a large pan over medium heat and add avocado oil and chopped vegetables. Cook vegetables until soft. Season with salt and pepper.
1½ cups broccoli,, 1 cup red pepper,, ½ cup red onion,, 1 Tbsp avocado oil, salt, black pepper
Divide vegetables evenly into the greased 6 muffin tins and set aside.
Whisk eggs, salt, water together well then add cheese and whisk again.
12 eggs, 3 Tbsp water, ½ tsp salt, ½ cup parmesan cheese,
Using 1/3 cup measuring cup, pour egg mixture over veggies distributing evenly between the 12 muffin tins. Sprinkle with salt and pepper and grated cheese if desired.
Bake for 30-35 minutes or until cooked through.
Allow to cool a few minutes before removing from the muffin pan.