Muffin batter for 6 muffins Preheat oven to 190ºC Line 6 muffin tin cups with turkey ham slices. Break an egg into each ham slice. Line 6 more muffin tin cups with paper liners. Fill each two third full with muffin batter. Bake for 15-20 minutes or until eggs are cooked and muffins are golden brown.