Jelly Sandwich Cookies
["2 sticks butter", "3 1/4 c. unsifted cake flour", "3/4 c. sugar", "2 egg yolks", "1/4 c. heavy cream or evaporated milk", "1/2 tsp. salt", "1 Tbsp. grated lemon rind", "raspberry jam or filling or currant jelly"]
["Cream butter; gradually add sugar, creaming until light.", "Add yolks, salt and rind and blend.", "At lowest speed, add flour, alternating with cream, until well blended dough forms.", "Chill 1 hour or overnight."]
["butter", "cake flour", "sugar", "egg yolks", "heavy cream", "salt", "lemon rind", "raspberry"]