These muffin tin omelets can be served immediately or refrigerated to pop in the microwave for a portable, nourishing breakfast later.
Preheat oven to 400°F.
Grease a 6-cup muffin tin with butter. Put all ingredients except the chia seeds in a blender and pulse to combine. If desired, add the chia seeds and pulse again.
Pour mixture into muffin tin and bake for 12-15 minutes.
Serve immediately or cool and refrigerate to pop in the microwave for breakfast later.