Mary's No Fuss Chocolate Cake

My friend sent me this after she had it at a friend's house. She is a chocoholic and said this cake is to die for.

• Ready In: 1 hr 10 mins
• Serves: 18

Ingredients

• 2 1⁄2 cups flour
• 1⁄2 cup cornstarch
• 2  cups sugar
• 3⁄4 cup  cocoa
• 2  teaspoons baking soda
• 1  teaspoon salt
• 2  teaspoons vanilla
• 3⁄4 cup  vegetable oil
• 2  teaspoons vinegar
• 2  cups cold water
• 2⁄3 cup coffee, cold

Directions

1. Mix together flour, cornstarch, sugar, cocoa, baking soda, and salt in a large bowl.
2. Make 3 wells in the dry ingredients.
3. Pour vanilla, vegetable oil, and vinegar in separate holes.
4. Pour cold water and coffee over all.
5. Whisk until smooth.
6. Pour into a greased and floured 13 x 9 inch pan.
7. Bake at 350 degrees Fahrenheit for 50 minutes.
8. Test center for doneness.