Step 1

Preheat oven to 350 degrees F. Spray an 8-inch square pan with nonstick cooking spray.

Step 2

Mix first 5 dry ingredients in the prepared pan (flour, cocoa powder, sugar, baking soda and salt.)

Step 3

Make 3 depressions in the dry ingredients – two small, one larger.

Step 4

Pour vinegar in one of the smaller depressions. Pour the vanilla extract in the other smaller depression and the vegetable oil in third larger depression.

Step 5

Pour water over all. Mix well until smooth.

Step 6

Bake on middle rack of oven for 35 minutes. Check with toothpick to make sure it comes out clean. Note: Oven baking times may vary, be sure to check your cake to make sure you do not over bake.

Step 7

Cool completely before frosting (if using). You can also just sprinkle with a dusting of powdered sugar.

Step 8

In a microwave-safe medium bowl, add in semi-sweet chocolate chips, evaporated milk, butter and vanilla extract.

Step 9

Microwave on full power for about 30 seconds. Note: it can be hard to tell if everything has melted so it's If not melted, microwave for an additional 15 seconds and stir. Repeat process until fully melted.

Step 10

Stir in the powdered sugar and mix until smooth and combined.

Step 11

Frost cooled cake.