Making this Easy Coffee Cake Recipe using Box Cake Mix is as straightforward as it gets. Follow these simple steps for a fabulous outcome:

1. Preheat Oven: Set your oven to 350°F (175°C) and grease a 9×13-inch baking pan.
2. Mix Wet Ingredients: In a mixing bowl, combine the yellow cake mix, sour cream, vegetable oil, and eggs. Mix until well blended.
3. Add Cinnamon: Incorporate the ground cinnamon into the batter, mixing thoroughly for an even distribution.
4. Optional Ingredients: If you’re using nuts or blueberries, fold them into the batter gently.
5. Pour Batter: Transfer the batter into the prepared baking pan, spreading it evenly with a spatula.
6. Bake: Place the baking pan in the preheated oven and bake for 30–35 minutes, or until a toothpick inserted in the center comes out clean.
7. Cool: Once done, remove the cake from the oven. Let it cool in the pan for about 15 minutes before serving.

By following these simple steps, you’ll achieve a delightful coffee cake that is sure to charm everyone around you. Enjoy the delightful aroma wafting through your home as your coffee cake bakes!