Use a fork to cut in the cold butter until it creates praline crumbs. Sprinkle 1/3 of the pralines over bottom of 9-inch pie shell; cover with fruit blend. Sprinkle remaining praline mixture on top.

Gently mix in diced nectarines. Pour fruit and custard filling carefully into pie shell, making sure fruit is evenly distributed. Cover with vented crust, or lattice top. Brush top with egg wash ...