Mint Surprise Cookies
["3 1/4 c. sifted all-purpose flour", "1 tsp. baking soda", "1/2 tsp. salt", "1/2 c. butter", "1/2 c. shortening", "1 c. sugar", "1/2 c. firmly packed brown sugar", "2 eggs, unbeaten", "2 Tbsp. water", "1 tsp. vanilla extract", "5 oz. pkg. Andes mint wafers, cut in half", "walnut halves"]
["Sift flour, soda and salt; set aside.", "Cream butter and shortening.", "Add sugars gradually; mix well.", "Add eggs, water and vanilla; beat well.", "Blend in dry ingredients; mix well.", "Dough may be chilled."]
["flour", "baking soda", "salt", "butter", "shortening", "sugar", "brown sugar", "eggs", "water", "vanilla extract", "Andes mint wafers", "walnut halves"]