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Homemade Viennetta

Homemade Viennetta is an Italian-American, loaf-shaped frozen dessert with thin rippled chocolate wafers alternating with pure vanilla ice cream layers. This copycat Viennetta method freezes between layers so you get clean, elegant chocolate-and-cream slices.
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Prep Time 30 minutes
freezing 4 hours 20 minutes
Total Time 4 hours 50 minutes
Servings: 8 servings
Course: Dessert
Cuisine: Italian-American
Calories: 660
Ingredients Equipment Method Notes

Ingredients
  

Ice cream base
  • 0.5 gallon high-quality vanilla ice cream softened
Chocolate layers
  • 8 oz dark chocolate (70%) melted and cooled to 90F
  • 1 tbsp vegetable oil mixed into chocolate for flexibility
  • cocoa powder for dusting as needed

Equipment

  • 1 sheet pan

Method
 

Prep the loaf pan
  1. Line a 9x5 loaf pan with plastic wrap, leaving an overhang. This makes it easy to lift the loaf out cleanly after freezing.
Build the first frozen layer
  1. Spread a thin layer of softened vanilla ice cream in the bottom of the pan. Freeze for 20 minutes until the surface is firm.
  2. Pour a thin stream of melted dark chocolate over the ice cream while tilting the pan to coat. Freeze for 5 minutes until the chocolate sets.
Repeat to form the iconic layers
  1. Repeat the vanilla ice cream and chocolate streams to fill the pan. Freeze between each layer so the rippled chocolate-and-cream profile stays distinct.
Freeze and finish
  1. Fold the plastic wrap over the top and freeze at least 4 hours. Keep the loaf completely firm before lifting it out.
  2. Lift the loaf out, remove the plastic wrap, and dust the top with cocoa powder. For clean slices, let the loaf sit at room temperature for just 1 minute before cutting.
  3. Slice with a warm knife to reveal the elegant layered cross-section. Use steady, gentle pressure to avoid smearing the layers.

Notes

Pro tip: melt the dark chocolate and cool it to 90F before layering, then work quickly so it ribbons instead of seizing. Freeze any leftovers in a covered container for up to 2 weeks; thaw in the fridge for about 10 minutes for easier slicing. For a dairy-light option, use a high-quality lactose-free or dairy-free vanilla ice cream (texture may be slightly softer but the layering still works).