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Chewy Cake Mix Bars in the Microwave

by Stephanie

Craving a quick and delightful dessert? These Chewy Cake Mix Bars are your go-to solution! Utilizing a box of “JIFFY” Golden Yellow Cake Mix and a microwave, you can whip up these chewy, chocolatey bars in no time. Perfect for last-minute gatherings, late-night cravings, or just because!

If you’re craving a quick dessert that’s chewy, chocolatey, and full of buttery flavor, these Microwave Chewy Bars made with Jiffy Golden Yellow Cake Mix are your new go-to treat. Not only are they quick and easy to make, but they also require minimal cleanup, which makes them ideal for busy weeknights or spontaneous sweet cravings.

Using a boxed cake mix like Jiffy saves you time without compromising on taste. This version combines pantry staples like brown sugar, corn syrup, and a handful of chocolate chips to create a soft, buttery texture with just the right amount of chew. Plus, you can make these right in your microwave—no preheating, no oven, and no waiting for a pan to bake.

If you’re familiar with bar cookies, you know how irresistible they can be. This version has a soft center and the perfect amount of sweetness thanks to the chocolate chips and the sprinkle of powdered sugar on top. You can serve them warm with a scoop of vanilla ice cream or let them cool and enjoy with coffee or milk.

What makes these chewy bars even more appealing is their versatility. Swap out the walnuts for pecans, or skip the nuts altogether if you’re baking for someone with allergies. Want a richer flavor? Toss in a splash of vanilla extract or a few butterscotch chips for a fun twist.

Stack of golden microwave dessert bars with chocolate chips and walnuts, dusted with powdered sugar, on a white plate. Text overlay reads 'Quick Microwave Dessert Bars'

These bars are excellent for parties, bake sales, and potlucks. Because they microwave in just a few minutes, you can easily make multiple batches for larger gatherings.

Whether you’re a seasoned baker or a kitchen newbie, this recipe is one you’ll return to again and again. It’s fast, it’s easy, and it always hits the sweet spot. Just mix, microwave, cool, and enjoy—dessert doesn’t get much more convenient than that.

Ingredients for Chewy Cake Mix Bars

  • “JIFFY” Golden Yellow Cake Mix
  • Brown sugar
  • Margarine or butter
  • Corn syrup
  • Egg
  • Water
  • Chocolate chips
  • Walnuts
  • Powdered sugar

How to Make Chewy Cake Mix Bars in the Microwave

Step-by-step collage showing the process of making microwave cake mix bars: ingredients in a white bowl with egg, brown sugar, chocolate chips, and dry mix (top), fully mixed batter with chocolate chips (middle), and batter spread evenly in a light blue baking dish (bottom).

Lightly grease an 8-inch square or 9-inch round microwave-safe dish to prevent sticking.

In a bowl, mix the cake mix, brown sugar, margarine or butter, corn syrup, egg, and water until fully combined.

Stir in the chocolate chips and chopped walnuts.

Spread the thick batter evenly into the prepared dish.

Microwave on HIGH for 4 minutes. If your microwave doesn’t have a turntable, rotate the dish every 2 minutes.

Microwave for 1 more minute on MEDIUM.

Let the bars cool for 10 minutes before inverting onto a serving plate.

Dust with powdered sugar and slice into 9–12 bars.

Tips & Suggestions

  • Nut-Free Option: If you’re avoiding nuts, feel free to omit the walnuts or substitute with sunflower seeds for a similar crunch.
  • Extra Chocolatey: For a richer chocolate flavor, consider adding a tablespoon of cocoa powder to the batter.
  • Storage: These bars can be stored in an airtight container at room temperature for up to 3 days or refrigerated for up to a week.

FAQ

Q: Can I make these bars without nuts?
A: Absolutely! Simply omit the walnuts or replace them with sunflower seeds or additional chocolate chips for a nut-free version.

Q: How should I store these bars?
A: Store the bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week.

Q: Can I use a different brand of cake mix?
A: Yes, while “JIFFY” Golden Yellow Cake Mix is recommended, any yellow cake mix should work.

More Cake Mix Dessert Recipes

A plate of golden brown chocolate chip cake mix bars dusted with powdered sugar, cut into neat squares and stacked on a white plate, displayed on a wooden table.
Yield: 8-12 bars

Jiffy Cake Mix Chocolate Chip Bars

Prep Time: 2 minutes
Cook Time: 4 minutes
Additional Time: 10 minutes
Total Time: 16 minutes

Ingredients

  • 1 package Jiffy Golden Yellow Cake Mix (8.5 oz)
  • 1/4 cup brown sugar, firmly packed
  • 1 tablespoon margarine or butter, softened
  • 1 tablespoon corn syrup
  • 1 egg
  • 1 tablespoon water
  • 1/4 cup chocolate chips
  • 1/2 cup chopped walnuts
  • Powdered sugar for topping

Instructions

  1. Lightly grease a 9-inch round microwave-safe dish to prevent sticking.
    In a bowl, mix the cake mix, brown sugar, margarine or butter, corn syrup, egg, and water until fully combined.
  2. Stir in the chocolate chips and chopped walnuts.
  3. Spread the thick batter evenly into the prepared dish.
  4. Microwave on HIGH for 4 minutes. If your microwave doesn’t have a turntable, rotate the dish every 2 minutes.
  5. Microwave for 1 more minute on MEDIUM.
  6. Let cool for 10 minutes before inverting onto a serving plate.
  7. Dust with powdered sugar and slice into 9–12 bars.

Nutrition Information:

Yield:

12

Serving Size:

1

Amount Per Serving: Calories: 295Total Fat: 8gSaturated Fat: 3gTrans Fat: 0gUnsaturated Fat: 5gCholesterol: 18mgSodium: 334mgCarbohydrates: 54gFiber: 1gSugar: 36gProtein: 3g

Any nutritional information on justmicrowaveit.com should only be used as a general guideline. This information is provided as a courtesy and there is no guarantee that the information will be completely accurate.

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