INGREDIENTS
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3 c. all-purpose flour
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1 tsp. baking soda
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3/4 tsp. salt
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1/2 c. butter at cool room temperature
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1/2 c. plain vegetable shortening
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1 c. brown sugar, packed
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3/4 c. granulated sugar
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2 large eggs
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1 T. vanilla extract
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1 (10 oz.) package dark, semi-sweet, or milk chocolate chips or chunks