In a small saucepan over medium heat combine the double cream, sugar, pinch of salt and Nutella, cook stirring until fully melted and uniform. Take off heat, add the Greek yogurt, stir until smooth, cool to room temp and store in the fridge overnight.
Freeze in your ice cream maker according to the manufacturer's instructions adding the quartered Ferrero Rocher candies at the last couple of minutes of churning. Store in an airtight container or serve right away as a soft-serve.
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