Preheat oven to 350°F. Spray muffin pans with nonstick cooking spray. You may also use cupcake liners if desired.
In a large bowl, whisk together eggs, oil, and milk.
In another smaller bowl, whisk flour with baking powder, salt and pepper. Stir in quinoa. Pour this mixture into the wet ingredients and stir until combined. Do not over-mix. Add peas, spinach, dill, zucchini and feta. Stir until just combined.
Scoop into prepared muffin tins and bake for 30 minutes or until a toothpick comes out clean when poked in a muffin.
Notes
Best served immediately, but may also be refrigerated for up to one week or frozen. Reheat using microwave or oven.