Mix the sugar and cinnamon in a small bowl; set aside. Mix the chocolate-hazelnut spread and cream cheese in another small bowl until smooth; set aside.
Toast the waffles until browned and crisp in a toaster or toaster oven. Drizzle the melted butter over both sides of each waffle, and dust both sides with the cinnamon sugar. Spread both halves evenly with the chocolate-cream cheese mixture. Arrange the strawberries and bananas on 1 of the waffles, then top with the remaining waffle.
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