I treasure my mom’s handwritten recipe cards and was thrilled when my sister-in-law, Sally, sent me her mother’s (Eunice Merritt) muchloved 1970 lemon pie recipe. Enjoy! - KIM B. McKINNEY LEMON MERINGUE PIE INGREDIENTS: 1/2 cup cold water 7 tablespoons cornstarch 1-1/2 cups hot water 1-1/4 cups sugar 3 egg yolks, slightly beaten 1 lemon, rind and juice 1 tablespoon butter 1 baked pie…