Whilst eating my Vienna walnut nougat just now, I realized how similar it is to a Southern US holiday classic pecan divinity. Here is a quick recipe to make either. The usual recipe calls for long hours in the kitchen, but this tastes just as good, looks just as pretty.
Mix equal parts melted marshmallow and melted white chocolate. Add roughly chopped pecans, or pistachios, black walnuts etc as you like.
I like to mix the chopped nuts (one kind at a time, usually pecans) into the divinity, then spread out into a shallow cookie baking tray. Lightly mark out pieces, then put one tiny pecan half in the center of each piece. Let cool and set, then cut into pieces along the marks.
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When I find a quicker old fashioned recipe in one of my many Southern cookbooks, I will add that too.