"It's a hands-off, cozy treat for hunkering down by the fire...."
INGREDIENTS
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1/2 c. granulated sugar
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1/3 c. unsweetened cocoa powder
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6 c. whole milk
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2 c. heavy cream
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2 4-oz. semisweet chocolate bars, chopped
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2 tsp. vanilla extract
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1 tsp. instant espresso or coffee
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15 jumbo marshmallows, plus more for garnish
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8 oz. Irish cream liqueur (such as Bailey's), optional
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Shaved chocolate, for garnish