Congo Bars
["1 1/2 sticks butter, melted", "1 (1 lb.) box brown sugar", "2 eggs, unbeaten", "2 1/2 c. flour (don't sift)", "1/4 c. milk", "1 tsp. salt", "1 tsp. vanilla", "12 oz. bag chocolate chips"]
["Melt butter and remove from heat.", "Add sugar and stir well. Add eggs and stir well.", "Add all dry ingredients plus milk and vanilla.", "Stir thoroughly and add chips.", "Blend well.", "Spread mixture in oblong pan (9 x 13-inch), well greased and floured. Bake at 350\u00b0 for 30 to 35 minutes.", "Cut while warm."]
["butter", "brown sugar", "eggs", "flour", "milk", "salt", "vanilla", "chocolate chips"]