Preheat oven to 180 degrees
Bring 1 cup water and stock to the boil. Add quinoa and simmer on low for 10-15 min until cooked. Spread out on cutting board to cool.
Partially wilt spinach in heated, oiled pan. Take off heat to cool
Place muffin liners into a 12 muffin tin and spray generously with cooking spray. In a large mixing bowl, whisk eggs and egg whites for 30 seconds.
Add ground flax/chia, feta, onion, garlic, salt, pepper and whisk to combine.
Add cooled quinoa, spinach, sun dried tomatoes and mix.
Fill each muffin with egg mixture 3/4 full. If you have extra mixture, bake in additional muffin trays but do not overfill.
Bake for 20-25 minutes
Let cool for about 10 minutes then top generously with grated parmesan cheese
Serve hot with hot sauce
Refrigerate in an airtight container for up to 5 days. Reheat in microwave. Freeze in an airtight container for up to 3 months.