"Chocolate Chip Cookie in a Mug is perfect to make for just one or two servings. With just a few simple ingredients, it microwaves in minutes! #chocolatechips #mugcookie..."
INGREDIENTS
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1 tbsp real butter, (salted or unsalted)
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small pinch of salt
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1 tbsp white sugar
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1 tbsp light brown sugar, (firmly packed)
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1/4 tsp vanilla extract
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1 egg yolk
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3 tbsp all-purpose flour
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2 tbsp semi-sweet chocolate chips