Chocolate Snack Cake
["2 1/2 c. flour", "3/4 c. sugar", "3/4 c. brown sugar", "3/8 c. cocoa", "1 1/2 tsp. baking soda", "3/4 tsp. salt", "1 1/2 c. water", "1/2 c. vegetable oil", "1 1/2 tsp. vinegar", "3/4 tsp. vanilla"]
["Heat oven to 350\u00b0.", "Mix flour, sugar, brown sugar, cocoa, baking soda and salt in bowl with fork.", "Stir in water, oil, vinegar and vanilla completely.", "Pour into ungreased 9 x 13 x 2-inch pan.", "Bake until wooden pick inserted in center comes out clean, 20 to 25 minutes."]
["flour", "sugar", "brown sugar", "cocoa", "baking soda", "salt", "water", "vegetable oil", "vinegar", "vanilla"]