Butter Brickle Cake
["2 c. sifted flour", "1 1/4 c. sugar", "3 1/4 tsp. baking powder", "1 tsp. salt", "1/2 c. shortening", "7/8 c. (3/4 c. plus 2 Tbsp.) milk", "1 1/2 tsp. vanilla", "3 large egg whites"]
["Sift together first 4 ingredients in bowl. Add shortening, milk and vanilla to dry ingredients. Beat with electric mixer on slow to medium speed for 2 minutes. Scrape sides and bottom of bowl frequently. Add egg whites. Beat 2 more minutes, scraping bowl. Pour into prepared pans. Bake 25 to 30 minutes in a 375\u00b0 oven."]
["flour", "sugar", "baking powder", "salt", "shortening", "milk", "vanilla", "egg whites"]