Toss first 3 ingredients together. Season with salt and pepper. Generously butter 6 large muffin cups. Press 1/2 cup of the mixture into bottom and up sides of muffin cup. Bake at 475°F for 15 minutes. Remove from oven. In nonstick pan, melt butter, add onion, pepper and ham. Cook for 6 minutes or until soft. Season with salt and pepper. Divide into potato-lined muffin cups and top with cheese. Bake 2 minutes. Remove from oven and crack one egg into each cup. Season with salt and pepper. Place back in the oven for 8-10 minutes or until egg white is just set. Remove from oven and then from muffin tin.