Marbled Brownies

Prep: 15 min Cook: 30 min Cuisine: American

Rich marbled brownies combine dark chocolate and buttery batter with a beautiful swirl pattern, perfect for chocolate lovers and ideal for casual gatherings or satisfying dessert cravings.

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Ingredients

  • 2 oz. unsweetened chocolate
  • 2 1/4 cups flour
  • 2 teaspoons baking powder
  • 3/4 teaspoon salt
  • 12 tablespoons unsalted butter
  • 1 cup granulated sugar
  • 1 cup light brown sugar
  • 1 teaspoon vanilla extract
  • 3 eggs

Instructions

  1. Preheat oven to 325°F (163°C).
  2. Butter a 9-inch baking pan and set aside.
  3. Chop the unsweetened chocolate and melt it, then allow to cool.
  4. In a mixing bowl, combine flour, baking powder, and salt.
  5. In a separate bowl, beat together the butter, granulated sugar, light brown sugar, and vanilla extract until creamy.
  6. Add eggs one at a time, mixing well after each addition.
  7. Stir in the melted chocolate.
  8. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  9. Pour the batter into the prepared pan and swirl with a knife to create a marbled effect.
  10. Bake in the preheated oven for approximately 30 minutes, or until a toothpick inserted into the center comes out with moist crumbs.
  11. Allow to cool before slicing and serving.

Tips & Substitutions

For a richer flavor, consider using dark chocolate instead of unsweetened chocolate. You can also substitute half the granulated sugar with coconut sugar for a different sweetness profile. If you prefer a nutty texture, add chopped walnuts or pecans to the batter. Ensure your butter is softened for easier mixing, and avoid over-mixing the batter to keep the brownies fudgy.

Serving Suggestions

These marbled brownies are delightful on their own but can be elevated with a scoop of vanilla ice cream on top. They pair beautifully with a cup of coffee or a glass of milk. For a fun twist, serve them alongside Grated Sweet Potato Pudding (My Mother'S Recipe) for a sweet dessert spread. Cut them into smaller squares for a perfect party treat.

Storage & Reheating

Store leftover marbled brownies in an airtight container at room temperature for up to 3 days. For longer storage, place them in the refrigerator where they can last up to a week. To reheat, microwave individual pieces for about 10-15 seconds, just until warm, or enjoy them cold for a fudgy treat.

Nutrition & Diet Analysis (per serving)

Each serving of Marbled Brownies contains roughly 1034 calories, with 13g protein, 176g carbohydrates, and 34g fat. It is an excellent source of vitamin C (55% of the Daily Value), calcium (36% of the Daily Value), and vitamin A (32% of the Daily Value), and a good source of potassium. Note that it is relatively high in sodium, at 1608mg per serving (70% of the Daily Value).

1034 kcal 52% DV
Protein Fat Carbs

Macronutrients

Protein 12.5g 25% DV
Total Fat 34.4g 44% DV
Carbs 175.5g 64% DV
Fiber 7.6g 27% DV
Sugar 58.8g 100% DV

Electrolytes

Sodium 1607.7mg 70% DV
Potassium 734.1mg 16% DV
Cholesterol 197.1mg 66% DV

Vitamins & Minerals

Vitamin A 285.7mcg 32% DV
Vitamin C 49.2mg 55% DV
Calcium 469.9mg 36% DV
Iron 5.4mg 30% DV
Diet fit High-fiber Low-fat
Contains Milk Egg Wheat/Gluten

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 cocoa powder instead of unsweetened chocolate?

Yes, you can substitute unsweetened chocolate with cocoa powder. Use 3 tablespoons of cocoa powder and 1 tablespoon of vegetable oil for each ounce of unsweetened chocolate. Keep in mind that this may slightly alter the texture, making it less fudgy but still delicious.

How can I tell when the brownies are done baking?

The brownies are done when the edges look set and a toothpick inserted into the center comes out with moist crumbs, not wet batter. If it comes out clean, the brownies may be overbaked. They will continue to cook slightly from residual heat after removing from the oven, so it’s okay if they look a little underbaked.

Can I make the batter ahead of time?

Yes, you can prepare the brownie batter ahead of time and store it in the refrigerator for up to 24 hours. Just make sure to cover it tightly. When ready to bake, allow it to sit at room temperature for about 30 minutes before pouring it into the pan and baking to ensure even cooking.

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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