Chicken, Green Chile and Potato Pie

package unbaked pie shells (2 pie shells total)

eggs (four whole eggs and one yolk, reserve egg white from fifth egg)

heavy cream

whole milk

poblano peppers (roasted, peeled and chopped (or 2 cans diced green chiles))

kosher salt

freshly ground black pepper

russet potatoes (peeled and sliced very thin)

cooked (shredded chicken (rotisserie works great for this))

shredded mexican-blend or cheddar cheese