Easiest Way to Make Tasty Chocolate Sheet Cake (Pappaw's)

Chocolate Sheet Cake (Pappaw's).

You can have Chocolate Sheet Cake (Pappaw's) using 18 ingredients and 7 steps. Here is how you achieve that.

Ingredients of Chocolate Sheet Cake (Pappaw's)

1. You need 2 cups of AP flour.
2. You need 2 cups of granulated sugar.
3. Prepare 4 tbsp of (heaping) Cocoa powder.
4. It's 1/2 tsp of Salt.
5. You need 1 stick of Butter.
6. Prepare 1/2 cup of corn oil.
7. Prepare 1 cup of boiling water.
8. Prepare 2 of Eggs.
9. It's 1/2 cup of Buttermilk.
10. It's 1 tsp of Baking Soda.
11. It's 1 tsp of Vanilla.
12. You need of ICING.
13. Prepare 1 1/2 sticks of Butter.
14. You need 4 tbsp of (heaping) Cocoa.
15. You need 3 cups of Powdered Sugar.
16. It's 1 tbsp of Vanilla.
17. Prepare 6 tbsp of Milk (can be part whole milk , part Buttermilk or all of either) taste does not change.
18. You need of Optional - 1 cup chopped pecans.

Chocolate Sheet Cake (Pappaw's) instructions

1. Preheat oven to 350.
2. In large bowl mix flour, sugar, and salt..
3. In medium saucepan melt 1 stick butter, oil, and cocoa. Bring to a boil and let it boil for about 1 minute. Add boiling water. Let this mixture boil for another minute. Remove from stove and pour over flour mixture. Stir all together and let it cool while preparing other ingredients..
4. In another bowl add Buttermilk, eggs, vanilla, and Baking Soda. Beat this mixture well and then add to the flour mixture..
5. Pour well mixed batter into 11 x 17 baking sheet. Place in oven and cook 20-25 minutes..
6. ICING: You will need to prepare this when cake has about 5 mins cooking time left. Icing needs to be added while cake is still warm. In saucepan melt 1 1/2 sticks Butter. Add Cocoa stirring until smooth. Remove from heat. Add powdered sugar, vanilla, and milk. Stir until smooth. Optional: You add nuts at this point. Mix well into icing..
7. Pour icing over warm cake. Smooth it all over. Enjoy..