Hand cooked. Ket-L. $1.99. Now just for you Middleswarth brings back a rare treat ket-l cooked old fashioned potato chips. A handmade product that recaptures the flavor and aroma reminiscent of the good old days when Bob Middleswarth made those first batches of potato chips in the family kitchen back in 1942. So try a bag of our Ket-L chips and enjoy a taste from yesterday, here today.