Preheat oven to 350 degrees F. Spray 12-cup muffin tin with nonstick cooking spray, you can also line with muffin tins, just make sure you spray the inside of the muffin tins.Fill each muffin tin 1/4-1/3 full with veggies and herbs of choice. Add in 1 tablespoon of cheese to each muffin tin.In medium bowl whisk together egg whites, eggs, and milk/yogurt. Fill each muffin to the top with egg mixture, pouring over the veggies already in each tin. Bake for 20-30 minutes or until risen and slightly golden on top.Let cool for a few minutes, then remove from tin.