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Halloween Milkshakes

These Halloween milkshakes are a spooky and delicious treat with an easy homemade blueberry sauce, giving the milkshakes a vibrant, naturally purple color. See notes for dietary-friendly options!
Course Dessert
Cuisine American
Keyword halloween milkshakes
Prep Time 10 minutes
Cook Time 7 minutes
30 minutes
Servings 1.5 cups

Ingredients

Milkshake:

  • 1 1/2 cups (213 grams) fresh or frozen and defrosted blueberries
  • 1 tablespoon water
  • 3 tablespoons (60 grams) maple syrup
  • pinch of salt
  • 1 teaspoon vanilla extract
  • 3/4 to 1 cup (90-120 ml) milk
  • 1 1/2 cups (355 ml) vanilla ice cream
  • meringue ghosts

Rim:

  • black sanding sugar
  • maple syrup

Topping:

  • 1/4 cup (60 ml) heavy cream
  • meringue ghosts or other edible Halloween decorations

Instructions

  • In a medium saucepan, stir together the blueberries, water, maple syrup and salt.
  • Bring to a simmer over medium heat and simmer for 3-5 minutes or until it’s thickened quite a bit like blueberry sauce.
  • Stir in the vanilla extract.
  • Transfer to the blender (or place on a plate or whatever with a large surface area if you want it to cool quickly and place in the fridge or freezer for a few minutes) and let cool for about 15 minutes. You don’t want it to melt the ice cream.
  • While it’s cooling, prepare the rim of the milkshake glasses and the whipped cream. Pour sanding sugar into a shallow bowl. Brush some maple syrup on the rim of your glass with a small pastry brush, or dip the rim into a shallow dish of maple syrup. Immediately dip the rim of the glass into the sanding sugar. Tap to remove excess sugar and place in the freezer for a few minutes to help the sugar adhere better.
  • Add the heavy cream to a bowl. Begin by whipping the cream at medium speed. Once it starts to thicken, increase the speed to high. Continue whipping until the peaks stand up straight. Place in the fridge while you continue with the milkshake.
  • Once the blueberries have cooled enough, add 3/4 cup (90 ml) milk and the ice cream to the blender.
  • Blend until totally smooth and only tiny blueberry skin flecks remain. Add the remaining 1/4 cup of milk, if needed.
  • Top with whipped cream and a meringue ghost.

Notes

If you're gluten-free: this milkshake is naturally gluten-free. Just double-check packaged items like ice cream and candy decorations to ensure they don’t contain gluten.
If you're dairy-free/vegan: use dairy-free/vegan milk, ice cream and cream. The ghost meringues are dairy-free but not vegan. Use Vegan Meringue Ghosts instead.
This recipe yields 1.5 cups of milkshake. Standard milkshake glasses (like what you see are 12 ounces (1.5 cups). So if you want 3 large milkshakes, like in the photos, you need to triple the recipe. I think it's a bit over-the-top, though, so when I make these, I split one with my husband.