Chocolate Chip Oatmeal Cookies
["1/2 c. solid vegetable shortening", "1/2 c. (1 stick) unsalted butter (room temperature)", "3/4 c. sugar", "3/4 c. firmly packed dark brown sugar", "2 eggs", "1 (3.4 oz.) pkg. vanilla instant pudding mix", "1 tsp. vanilla extract", "1 tsp. baking soda", "1 tsp. water", "1 tsp. ground cinnamon", "1/2 tsp. ground nutmeg", "1/2 tsp. salt", "1 c. old-fashioned oats", "2 1/4 c. all-purpose flour", "12 oz. chocolate chips", "1 1/2 c. chopped walnuts"]
["Preheat oven to 375\u00b0.", "Butter heavy, large cookie sheet."]
["vegetable shortening", "unsalted butter", "sugar", "brown sugar", "eggs", "vanilla extract", "baking soda", "water", "ground cinnamon", "ground nutmeg", "salt", "old-fashioned oats", "all-purpose", "chocolate chips", "walnuts"]