Knuckle Sandwich

This is a great recipe using Nutella!!!

Source: The Surreal Gourmet

2 tablespoons butter
2 pears, sliced into 3/16-inch slices, core removed
4 slices store-bought pound cake (sliced like conventional sandwich bread)
4 tablespoons Nutella
1/3 cup whole hazelnuts, toasted with skins off

In a saut