"Loaded Holiday M&M's Cookie Bars — These M&M's cookie bars are packed with holiday M&M's and crushed Oreos. This is an easy, one-bowl..."
INGREDIENTS
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1/2 cup unsalted butter (1 stick, melted)
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1 large egg
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1 cup light brown sugar (packed)
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1 tablespoon vanilla extract
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1 cup all-purpose flour
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1/2 teaspoon salt (or to taste)
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18 Oreo cookies (roughly chopped)
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1/2 cup M&M’s (I used Dark Chocolate Red and Green M&M’s)