Add in the melted butter and make sure it is all combined. Stir the the spinach, parsley and Feta. With two small spoons scoop the mixture into the mini cases until they are three quarters full.

Transfer two-thirds of the squash to a large mixing bowl along with the spinach, parsley, sunflower seeds, Parmesan, two-thirds of the feta, and all of the mustard ... or until the tops and sides of ...