Caramel-Chocolate Chip Cake
["2 c. Gold Medal all-purpose flour", "1 c. packed brown sugar", "1/2 c. granulated sugar", "1/2 c. semi-sweet chocolate chips, finely chopped", "1/2 c. shortening", "1 1/4 c. milk", "3 tsp. baking powder", "1 tsp. salt", "1/2 tsp. baking soda", "1 1/2 tsp. vanilla", "3 eggs", "Caramel Fluff (recipe below)"]
["Heat oven to 350\u00b0.", "Grease and flour rectangular 13 x 9 x 2-inch pan.", "Beat all ingredients, except Caramel Fluff, in a large bowl on low speed 30 seconds, scraping bowl constantly.", "Beat on high speed 3 minutes, scraping bowl occasionally.", "Pour into pan. Bake until wooden pick inserted in center comes out clean, 40 to 45 minutes.", "Cool completely.", "Frost with Caramel Fluff.", "Store in refrigerator."]
["Gold Medal all-purpose", "brown sugar", "sugar", "semi-sweet chocolate chips", "shortening", "milk", "baking powder", "salt", "baking soda", "vanilla", "eggs", "Caramel Fluff"]