Fudge Marble Bars

Prep: 10 min Cook: 25 min Serves: 24 Cuisine: American

Fudge Marble Bars combine rich chocolate and vanilla flavors in a marbled effect, perfect for chocolate lovers and ideal for sharing at parties or as a sweet treat.

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Ingredients

  • 1 pkg Duncan Hines fudge marble cake mix
  • 1/4 cup water
  • 2 eggs
  • 1/4 cup butter or margarine, softened
  • 1 cup semi-sweet chocolate chips
  • 1 tablespoon water

Instructions

  1. Heat oven to 350°F (175°C).
  2. Grease a 13 x 9 x 2-inch pan.
  3. Set aside the cocoa packet.
  4. Combine cake mix, 1/4 cup water, eggs, and softened butter in a large bowl.
  5. Add the cocoa packet, chocolate chips, and 1 teaspoon water; stir until blended.
  6. Add nuts to the yellow batter (if desired).
  7. Spread the yellow batter in the prepared pan.
  8. Spoon the chocolate batter randomly on top of the yellow batter.
  9. Swirl the batter with a knife to create a marbled effect.
  10. Bake at 350°F for 22 to 27 minutes or until a toothpick inserted in the center comes out clean.
  11. Cool completely, then cut into bars measuring approximately 2 x 1 1/2 inches.

Tips & Substitutions

For a richer flavor, consider adding a teaspoon of vanilla extract to the batter. You can substitute the butter with coconut oil for a dairy-free version, or use a gluten-free cake mix to cater to dietary restrictions. Ensure all ingredients are at room temperature for better mixing. If you prefer a nutty crunch, fold in 1/2 cup of chopped walnuts or pecans into the yellow batter.

Serving Suggestions

These fudge marble bars are perfect as an afternoon snack or dessert. They pair beautifully with a scoop of vanilla ice cream for a delightful contrast in texture. For a refreshing side, serve with a slice of Pear Cream Cheese Salad or a light Merry Berry Salad Mold to balance the sweetness of the bars.

Storage & Reheating

Store leftover fudge marble bars in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate them, where they can last up to a week. Reheat in the microwave for about 10 seconds if you prefer them warm, or enjoy them cold for a fudgy treat.

Nutrition & Diet Analysis (per serving)

Each serving of Fudge Marble Bars contains roughly 57 calories, with 1g protein, 7g carbohydrates, and 3g fat.

57 kcal 3% DV
Protein Fat Carbs

Macronutrients

Protein 0.8g 2% DV
Total Fat 3g 4% DV
Carbs 7.3g 3% DV
Fiber 0.2g 1% DV
Sugar 0.1g

Electrolytes

Sodium 23.5mg 1% DV
Potassium 55.3mg 1% DV
Cholesterol 23.4mg 8% DV

Vitamins & Minerals

Vitamin A 5.3mcg 1% DV
Vitamin C 0.1mg
Calcium 21.2mg 2% DV
Iron 0.2mg 1% DV
Diet fit Keto-friendly Under 400 cal
Contains Milk Egg

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use a different type of cake mix for this recipe?

Yes, you can substitute the Duncan Hines fudge marble cake mix with any chocolate or vanilla cake mix. Just keep in mind that the flavor and texture may vary slightly, but it will still yield delicious results.

How do I know when the fudge marble bars are done baking?

To check for doneness, insert a toothpick in the center of the bars. If it comes out clean or with a few moist crumbs, the bars are ready. Baking times may vary based on your oven, so start checking around the 22-minute mark.

Can I freeze the fudge marble bars?

Absolutely! To freeze, wrap the bars tightly in plastic wrap and then place them in a freezer-safe container. They can be stored in the freezer for up to 3 months. Thaw at room temperature before serving for best texture.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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