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1
Place the Guinness, vanilla extract, ice cream, and sorbet in a blender and pulse several times to begin breaking up the ice cream and sorbet.
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2
With the blender motor off, use a flexible spatula to mash the mixture down onto the blender blades.
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3
Continue pulsing, stopping, and mashing until the mixture is well blended, thick, and moves easily in the blender jar, roughly 30 to 90 seconds.
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4
Pour into a chilled glass or glasses, and serve at once.
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5
Molasses Variation:
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6
Follow the recipe for the Chocolate-Guinness Shake, adding 1 tablespoon of molasses (about 1/2 ounce/22 grams) to the blender along with the other ingredients.
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7
Malted Variation:
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8
Follow the recipe for the Chocolate-Guinness Shake, adding 1 tablespoon of malted milk powder (about 1/2 ounce/15 grams) to the blender with the Guinness and the vanilla extract, and blending for a moment before adding the ice cream and sorbet.
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9
Espresso Variation:
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10
Follow the recipe for the Chocolate-Guinness Shake, adding 1 shot of room temperature espresso (about 2 tablespoons/1 ounce/30 milliliters) to the blender along with the other ingredients.