"A 1950 Bisquick ad featured Betty Crocker's "1-2-3 Cooky" recipe. This recipe was promoted as "thrifty" because it cost 5 1/2 cents to make a dozen cookies and a large box of Bisquick yielded 390 cookies...."
INGREDIENTS
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1 cup peanut butter
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1 can (14 oz) sweetened condensed milk (not evaporated)