Egg Substitutes for Boxed Brownie Mix: 7 Reliable Options

How to Replace the Eggs in a Box Brownie Mix

When you search for egg substitutes for boxed brownie mixes, the most common answers are: “Use flax, applesauce, or mashed banana.” My reaction to those suggestions is usually a firm, cringing “No, please don’t.”

Yes, pantry items like flax, applesauce, or banana can work, but are they the best options?

The short answer is no. While these swaps can technically bind and moisten the batter, they often change texture and flavor in ways that aren’t ideal for fudgy, boxed brownies. Instead, follow the approach below to replace eggs in a box brownie mix while preserving the texture and chocolate flavor you want.

Fixing the Duncan Hines Box Brownies

I’ve been criticized for recommending a store-bought egg replacer.

Some readers preferred I continue to recommend quirky shortcuts like soda for veganizing boxed cakes and brownies. I understand the appeal of quick hacks, but I can’t endorse fixes that produce disappointing results.

I can’t recommend something just because it “works” technically if the end result is inferior.

If you want brownies that taste rich, fudgy, and chocolate-forward, avoid choices that make the texture cakey, gummy, or add odd flavors. Use a reliable egg replacer or a carefully made flax egg as detailed below.

How to Replace The Eggs in a Box Brownie M

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Notes for Success & Substitutions

In the original video I demonstrated using a product called The Plant Based Egg by Freely Vegan. That product is no longer available, and I regret how heavily I promoted it. Currently I recommend Bob’s Red Mill egg replacer in the same quantity, or a well-made flax egg as an effective alternative.

You can use any reputable egg replacer and still get excellent results, as long as you follow the other ingredient adjustments listed with the recipe.

Update (2023): Some brands, including Duncan Hines, have adjusted their boxed brownie formulas. If your results differ from what you expect, the formula change may be the reason and you might need to tweak the method.

How to Replace the Eggs in a Box Cake Mix

For a deeper walkthrough, there is a full video tutorial available for visual learners.

How to Replace The Eggs in a Box Brownie M

How to Replace The Eggs in a Box Brownie M

How to Replace the Eggs in a Box Brownie Mix

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Prep Time
10
Cook Time
30
Total Time
40

Ingredients

  • 1 Box Duncan Hines Fudge Brownie Mix
    18.2 ounce box
  • 10
    Tablespoons
    water or brewed coffee
    150ml
  • 1/3
    cup
    vegetable oil
  • ¼
    teaspoon
    baking powder
  • 2
    Tablespoons
    cocoa powder
  • 2
    Tablespoons
    sugar
    14g
  • All Purpose Flour ½ cup
    62g
  • 2
    teaspoons
    Egg replacer of your choice
  • ½ Recipe Vegan ganache *optional
  • Homemade Vegan Sprinkles *optional

Instructions

  • Sift all the dry ingredients together with the box mix.
  • Add the water (or brewed coffee) and vegetable oil, then mix until smooth.
  • Bake in a preheated 350°F oven following the box instructions for pan size and time. Watch closely since vegan or egg-free mixes can finish slightly sooner or later depending on your oven and the replacer used.
  • Cool brownies completely before spreading vegan ganache and decorating with vegan sprinkles, if desired.

Notes

Brownies will stay fresh in an airtight container at room temperature for up to 3 days.

For longer storage, refrigerate them for up to 9 days, wrapped tightly to retain moisture.



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