Texas sheet cake cookies

Ingredients :

• Cookie
• 1 box chocolate cake mix
• 2 eggs {whisked}
• 1/3 cup oil
• Frosting
• 1/2 cup butter
• 2 tbsp cocoa
• 3 tbsp milk
• 2 1/2 cups powdered sugar

Instructions : 

1. Cookies
   Preheat oven to 350 degrees.
2. Combine cookie ingredients in large bowl and mix until completely incorporated.
3. NOTE: Dough will be thick.
   Using a medium sized cookie scoop {or heaping tablespoon}, scoop cookies onto a parchment lined cookie sheet.
4. Bake for 7-8 minutes, remove from oven and let cool on cookie sheet for 4-5 minutes before moving them to a cooling rack. Repeat until all of the dough is baked.
   Frosting
5. Combine the first 3 frosting ingredients in a small saucepan over medium heat and whisk until the mixture has melted. Remove from heat, add powdered sugar and whisk until smooth.
6. Pour frosting over cookies. Use a knife or spoon to move excess frosting and be sure that each cookie is completely covered.