The Absolute Best Dark Chocolate Chocolate Chip Texas Sheet Cake Recipe - Details, Calories, Nutriti

Ingredients

• 1 cup butter (cut into pieces, can use half butter
• 1 cup brewed strong coffee (hot or cold )
• 1/4 cup sifted unsweetened cocoa powder
• 2 cups white sugar , plus
• 2 tbsp white sugar
• 2 cups flour
• 1/2 tsp salt
• 1 tsp baking soda
• 2 large eggs
• 3/4 cup sour cream
• 3 tsp vanilla
• 1 cup mini chocolate chip (can use a little more if desired)
• 1/2 cup butter or 1/2 cup margarine, softened
• 2 2/3 cups confectioners' sugar
• 1/3 cup half-and-half cream
• 1 tsp vanilla
• 1/2 cup unsweetened cocoa powder