Best Box Mix Brownie Recipe

User Reviews

4.6

99 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    50 mins

  • Total Time

    1 hr

  • Servings

    35

  • Calories

    281 kcal

  • Course

    Dessert

  • Cuisine

    American

Best Box Mix Brownie Recipe

This recipe streamlines traditional brownies by combining three boxes of brownie mix with eggs, vegetable oil, and water. The batter yields a large pan of brownies with a chewy texture and rich chocolate flavor characteristic of box mixes. The baked brownies have moist interiors and a tender crumb, making them suitable for gatherings or as a ready-made dessert option.

Description

The Best Box Mix Brownie Recipe calls for mixing eggs, vegetable oil, and water before folding in three boxes of brownie mix designed for 8x8" pans. The batter is carefully folded to avoid overmixing and spread evenly in a large baking pan. Baking at 325°F for 50 minutes results in brownies that hold moist crumbs without raw batter when tested with a toothpick. Cooling before cutting helps maintain their structure.

This method offers a convenient way to produce a large batch of brownies leveraging prepared mixes. The brownies retain the characteristic chewy texture and chocolate taste typical of boxed mixes. Cutting the brownies into small squares (about 35 pieces) allows for easy serving at parties or snacks.

The recipe notes emphasize that calorie counts are estimates due to varying ingredient brands and recommend consulting a nutritionist for precise information. Leftover brownies can be stored at room temperature for a few days or frozen for longer preservation.

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Ingredients

Servings
  • 3 large egg
  • 1 1/2 cups vegetable oil
  • 3/4 cup water
  • 3 boxes brownie mix 19-20 ounces - mixes that fit an 8x8" baking pan, Ghirardelli brand

Instructions

  1. Preheat the oven to 325ºF. Spray a stoneware bar pan or other large sheet pan (with at least 1" sides, about 14¾" x 10½") with cooking spray. Set aside.
  2. In a large mixing bowl, whisk together the eggs, oil and water.
  3. Add the 3 box brownie mixes and fold together with a rubber spatula, being careful not to over mix the brownies.
  4. Spread the brownie batter evenly in the prepared pan.
  5. Bake for 50 minutes or a toothpick inserted into the center of the brownies have no batter but a few moist crumbs.
  6. Allow the brownies to cool before cutting.
  7. Store in an airtight container at room temperature for up to 4 days. You can store any leftover brownies in the freezer for up to 6 weeks.

Notes

  • Do not overmix the batter after adding the brownie mixes to maintain tender texture.
  • Allow brownies to cool fully before cutting to help them set.
  • Store brownies in an airtight container at room temperature for up to 4 days.
  • Freeze leftover brownies for up to 6 weeks to extend shelf life.
  • Calorie counts are estimates; consult a nutritionist for exact values.

Nutrition Information

Show Details
Calories 281kcal (14%) Carbohydrates 34g (11%) Protein 3g (6%) Fat 15g (23%) Saturated Fat 3g (15%) Polyunsaturated Fat 6g (35%) Monounsaturated Fat 5g (25%) Trans Fat 0.1g (5%) Cholesterol 16mg (5%) Sodium 134mg (6%) Potassium 6mg (0%) Sugar 22g (44%) Vitamin A 23IU (0%) Calcium 3mg (0%) Iron 1mg (6%)

Nutrition Facts

Serving: 35Serving

Amount Per Serving

Calories 281 kcal

% Daily Value*

Calories 281kcal 14%
Carbohydrates 34g 11%
Protein 3g 6%
Fat 15g 23%
Saturated Fat 3g 15%
Polyunsaturated Fat 6g 35%
Monounsaturated Fat 5g 25%
Trans Fat 0.1g 5%
Cholesterol 16mg 5%
Sodium 134mg 6%
Potassium 6mg 0%
Sugar 22g 44%
Vitamin A 23IU 0%
Calcium 3mg 0%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

4.6

99 reviews
Excellent

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