Instructions
1. Preheat and Prepare
- Preheat oven to 350°F (175°C). Grease a 9×13-inch baking dish or line with parchment paper.
2. Make the Base
- Combine cake mix, melted butter, and egg. Mix until well combined.
- Press mixture evenly into the prepared pan.
3. Make the Topping
- Beat softened cream cheese until smooth. Add eggs, vanilla, and melted butter; beat until combined.
- Gradually add powdered sugar, beating until smooth and creamy.
4. Bake and Cool
- Pour cream cheese mixture over the base layer, spreading evenly.
- Bake for 40-45 minutes, or until the center is set but still slightly gooey and the top is lightly golden.
- Cool completely in the pan before slicing.
5. Slice and Serve
- Cut into bars and enjoy!
Cooking Notes
- Slightly underbaking maintains the gooey texture. Avoid overbaking.
- Ensure cream cheese is softened to prevent lumps.
Variations
- Chocolate: Use chocolate cake mix and add 1/2 cup cocoa powder to the cream cheese mixture.
- Peanut Butter: Swirl 1/2 cup peanut butter into the cream cheese layer.
- Lemon: Use lemon cake mix and add lemon zest to the cream cheese mixture.
Frequently Asked Questions (FAQs)
Can I make these ahead?
Yes! Store in an airtight container at room temperature for up to 2 days or refrigerate for up to 5 days.
How do I store leftovers?
Store in an airtight container at room temperature for up to 3 days, or refrigerate for up to 5 days.
Can I freeze them?
Yes, wrap tightly and freeze for up to 2 months. Thaw at room temperature.
What to serve with?
Delicious on their own, but even better with ice cream or whipped cream!
Can I use a different cake mix?
Absolutely! Use your favorite flavor.

Ooey Gooey Bars are a classic dessert that’s rich, sweet, and simple to make. They’re guaranteed to be a hit! Enjoy!