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Quick Description

These Ooey Gooey Butter Bars are a legendary, ultra-rich dessert with a soft cake-like base and a creamy, custard-style topping that literally melts in your mouth. Made with a simple yellow cake mix, butter, eggs, and cream cheese, these bars are easy to prepare yet taste like bakery perfection. Perfect for potlucks, parties, or anytime you need a guaranteed crowd-pleaser.

Servings & Timing

Servings: 16 bars
Prep Time: 10 minutes
Cook Time: 35–40 minutes
Total Time: 45–50 minutes

Ingredients List

For the Base:

1 box yellow cake mix
½ cup (1 stick) unsalted butter, melted
1 large egg

For the Ooey Gooey Topping:

8 oz cream cheese, softened
½ cup (1 stick) unsalted butter, melted
2 large eggs
3 ½ cups powdered sugar, sifted
1 teaspoon vanilla extract (optional)

Instructions

Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Grease or line a 9×13-inch baking pan with parchment paper.

Step 2: Make the Base Layer
In a medium bowl, combine the yellow cake mix, melted butter, and 1 egg.
Mix until a thick dough forms.
Press this dough evenly into the bottom of the prepared baking pan.

Step 3: Prepare the Ooey Gooey Topping
In a separate bowl, beat the softened cream cheese until smooth.
Add the melted butter and mix until combined.
Beat in the eggs one at a time.
Slowly add the sifted powdered sugar and vanilla extract (if using).
Mix until the topping is silky and lump-free.

Step 4: Assemble
Pour the gooey topping over the base layer and spread evenly with a spatula.

Step 5: Bake
Bake for 35–40 minutes.
The center should remain slightly jiggly — that’s what makes them ooey and gooey.
Don’t overbake or you’ll lose the soft texture.

Step 6: Cool & Serve
Allow the bars to cool completely before cutting into squares.
Dust with powdered sugar for a classic finish.

Additional Notes

Too Runny? If the topping seems overly loose, it will firm as it bakes and cools — don’t worry.
Sweeter Bars: Add ½ cup extra powdered sugar to the topping.
Flavor Variations: Try lemon extract, almond extract, or add chocolate chips for a twist.

Dietary Info

Vegetarian
Gluten-Free Option: Use gluten-free yellow cake mix.
Not Low-Carb: This dessert is rich and indulgent — a true treat!

Recipe Variations & Serving Suggestions

Lemon Ooey Gooey Bars: Use lemon cake mix + lemon zest in the topping.
Chocolate Version: Use chocolate cake mix + add cocoa powder to the topping.
Pumpkin Gooey Bars: Mix 1 cup pumpkin puree into the topping + pumpkin spice.
Birthday Cake Bars: Add sprinkles to both layers.

Storage & Make-Ahead

Fridge: Store in an airtight container up to 5 days.
Freezer: Freeze bars up to 2 months; thaw in fridge.
Make-Ahead: Even better the next day as flavors deepen.