Easy Chocolate Cake

Bahan-bahan (12 porsi)

• 1 box Devil's food chocolate cake mix
• 1 small box instant chocolate pudding mix
• 4 large eggs
• ½ cup water
• ½ cup vegetable or canola oil
• 12 ounces chocolate chips
• 16 ounces sour cream
• ¼ cup powdered sugar, (for dusting)