"Moist chocolate cake with a molten peanut butter center bakes up in a microwaved mug in just one minute!..."
INGREDIENTS
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1/4 cup all-purpose flour
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2 tablespoons unsweetened cocoa powder
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2 tablespoons sugar
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1/4 teaspoon baking powder
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1/4 cup milk, at room temperature
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2 tablespoons butter, melted and cooled
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1/4 teaspoon pure vanilla extract
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1 tablespoon creamy peanut butter
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1 tablespoon mini chocolate chips