Preheat oven 150°C. Whisk the eggs together in a shallow bowl. Place the flour in a large snap lock bag, season with salt and pepper. Combine the breadcrumbs, parsley and chives in a shallow bowl.
Place all the mushrooms into seasoned flour, shake to coat. Dip 1 mushroom at a time into the egg and then coat well in the breadcrumb mixture, pressing the breadcrumbs on to secure.
Heat the oil and a medium saucepan or wok over medium heat until hot. Cook the mushrooms in batches for 3-4 minutes or until golden. Use a slotted spoon to remove mushrooms to a wire rack over a baking tray. Keep warm in the oven while cooking the remaining mushrooms.