Easy Cake Mix Cookie Bars with chocolate chips are a quick, homemade dessert. Soft, chewy, and perfect for parties, school snacks, or a simple weeknight treat.

Ingredients

1 (15.25 oz) package yellow cake mix
⅓ cup oil or melted butter
2 large eggs, at room temperature
1½ cups (12 oz) chocolate chips, semisweet or milk chocolate

Instructions

Prep the Oven and Pan

Preheat oven to 350°F (180°C; 160°C fan).
Lightly grease a 9×13-inch baking pan with baking spray.

Make the Cookie Dough

In a large bowl, whisk together eggs and oil (or melted butter) until combined.
Add the cake mix and stir with a spatula until fully combined. The dough will be stiff.
Fold in chocolate chips evenly throughout the dough.

Bake the Bars

Transfer the dough to the prepared baking pan and press it down evenly with a spatula.
Bake for 20–25 minutes, or until the edges are light golden brown.

Cool and Serve

Allow the cookie bars to cool completely in the pan.
Remove from the pan and cut into 16 bars.

Why You’ll Love This Recipe

Quick and easy dessert with minimal ingredients.
Chewy, chocolatey bars everyone will love.
Uses a simple cake mix for fast prep.
Perfect for parties, school snacks, or weeknight treats.

Tips

Press the dough evenly in the pan to ensure uniform baking.
Let the bars cool completely before cutting to prevent crumbling.
Use room-temperature eggs for better dough consistency.
For softer bars, slightly underbake by 1–2 minutes.

Variations and Substitutions

Chocolate chips: Substitute with white chocolate, butterscotch, or peanut butter chips.
Mix-ins: Add nuts, dried fruits, or sprinkles for extra texture.
Cake mix: Use chocolate, funfetti, or spice cake mix for different flavors.
Oil or butter: Melted coconut oil works for a subtle flavor twist.

FAQs

Can I use a different pan size?
Yes, adjust baking time if using a smaller or larger pan. Thicker bars may need a few extra minutes.

Are these bars freezer-friendly?
Yes, wrap tightly and freeze up to 3 months. Thaw at room temperature before serving.

Can I make this gluten-free?
Yes, use a gluten-free cake mix to make the bars suitable for gluten-free diets.

Serving

Serve plain, or dust with powdered sugar or drizzle with chocolate.
Pair with a glass of milk, coffee, or tea for a simple treat.
Great for lunchboxes, potlucks, or casual gatherings.

Suggestions

Cut bars into smaller bite-sized pieces for parties or snacks.
Add a layer of frosting or caramel between bars for extra indulgence.
Customize with seasonal chocolate or candy mix-ins for holidays.