Banana Cake
["1 1/4 c. flour", "2/3 c. sugar", "1/4 c. cornstarch", "1 tsp. baking soda", "1/2 tsp. salt", "1 c. mashed banana", "1/3 c. oil", "1 egg", "1 Tbsp. vinegar", "1 tsp. vanilla"]
["Mix well, flour, sugar, cornstarch, soda and salt.", "Add remaining ingredients with fork; mix thoroughly.", "Bake 30 to 35 minutes at 350\u00b0."]
["flour", "sugar", "cornstarch", "baking soda", "salt", "banana", "oil", "egg", "vinegar", "vanilla"]