Ingredients
Method
- Preheat oven to 350F and brush a muffin tin with olive oil.
- Whisk the egg whites with salt.
- Divide tomatoes, spinach, and onion among the muffin wells.
- Pour the egg whites over the vegetables.
- Bake 18 to 20 minutes until puffed and set. Cool slightly and serve.
Notes
These reheat beautifully, so make extra for busy mornings.
