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Preheat oven to 375 degrees.
														 
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Beat together butter and sugars with a mixer on high speed until fluffy, 2 to 3 minutes.
														 
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Add vanilla and eggs, and beat on medium speed until just combined.
														 
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Add flour, baking soda, and salt, and beat on low speed until just combined.
														 
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Stir in 2 cups potato chips and the nuts.
														 
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Roll dough into 2-inch balls, and then roll balls in remaining potato chips to coat.
														 
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Place cookies 2 inches apart on a parchment-lined baking sheet.
														 
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Bake until golden, 18 to 20 minutes.
														 
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Let cool completely on baking sheet.