These petite crustless quiches are SO good, loaded with turkey kielbasa, veggies and cheese. A perfect make-ahead breakfast for meal prep and naturally gluten free!
Preheat oven to 350°F. Spray a nonstick muffin pan with olive oil spray.
Heat the oil in a large non-stick skillet over medium heat.
Sauté onions and salt for 5 minutes, until soft, add bell peppers, garlic, tomato, kielbasa sauté for another 5 to 7 minutes. Add spinach and cook until wilted, about 1 minute. Set aside.
Meanwhile, in a large bowl, whisk the eggs, egg whites, milk, flour, salt and pepper until smooth.
Add the cheese and cooked kielbasa mixture to the bowl and mix well.
Pour into the prepared muffin pan and bake for 28 to 30 minutes, or until firm.