Peanut Butter-Oatmeal Bars
["2/3 c. all-purpose flour", "1/2 c. packed brown sugar", "1/4 tsp. baking soda", "1/4 c. peanut butter", "3 Tbsp. shortening", "1 beaten egg", "1 Tbsp. milk", "1/2 tsp. vanilla", "1/4 c. quick-cooking rolled oats", "frosting"]
["Sift together flour, sugar, soda and 1/4 teaspoon salt.", "Cut in peanut butter and shortening until mixture resembles coarse crumbs.", "Mix egg, milk and vanilla; add to flour mixture with oats.", "Mix well.", "Spread in lightly greased 8 x 8 x 2-inch baking pan.", "Bake at 375\u00b0 for 12 to 15 minutes.", "Cool.", "Frost."]
["all-purpose", "brown sugar", "baking soda", "peanut butter", "shortening", "egg", "milk", "vanilla", "quick-cooking", "frosting"]