Preheat oven to 350F

Spray oil to 9x13 glass pan.

Mix ★(flour, suger, baking soda) in mixing bowl.

Heat ▲(butter, cocoa, cola) to boiling and whisk.

Pour 4 over 3 and whisk.

Add butter milk, egg, and vanilla. Mix well.

Pour into pan and bake for 40mins.

*Prepare frosting during the last 10mins of baking.

【Prepare 2nd froasting】

Pour suger into mixing bowl and set aside.

Heat ■(butter, cocoa, cola) to boiling and whisk together.

Remove from heat. Stir in vanilla.

Pour over 10 (suger in mixing bowl). Mix well with whisk.

Remove cake from oven.

Frost Marshmallow cream. Go slowly.

Slowly pour 2nd frosting.

Rest the cake for one hour before cutting.