INGREDIENTS
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1/2 c. + 1 T. unsalted butter, at room temperature, divided
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1-1/2 c. creamy peanut butter
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1 c. packed brown sugar
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1 c. sugar
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3 large eggs
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1 tsp. pure vanilla extract
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1 c. all-purpose flour
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3-1/2 c. old fashioned oatmeal
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2 tsp. baking soda
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1/2 tsp. kosher salt
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12 oz. semi-sweet chocolate chips
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1 12.6-oz. bag milk chocolate M&M's in red, white, and blue for July 4th, or use regular colors for other times of the year
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fudge frosting, optional - I just used a can I picked up in the baking aisle, but this homemade chocolate ganache would also be wonderful
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red, white, and blue sprinkles, optional