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Home » recipes » Dessert
5 from 1 review

Seltzer Water Chocolate Brownies

By: Pamela Reed
Posted:7/14/16
Updated:4/26/18
Jump to Recipe

FUDGY Seltzer Water Chocolate Brownies! Easy Homemade Double Chocolate Brownies recipe that uses seltzer water to make the brownies extra fluffy and moist! These gooey brownies are made from scratch and have a amazing chocolate frosting on top! My husband considers these the BEST brownies ever!

My house is a Seltzer water house.  Besides tea, it’s all we drink.  We stock up so we’re never out because a dinner without seltzer water sure is sad!  With that said, I wanted to do a baking experiment with seltzer water because I knew it had the properties to make things extra fluffy.  And long and behold, I baked some of the best fudgy chocolate brownies I ever made with the help of seltzer!

Fluffy Chocolate Brownies

A few things about this recipe before we dive in.  These brownies are extra fluffy. They’re extra fudgy.  They are a chocoholics dream.  Besides cocoa powder, I added in chocolate chips to make them double chocolate.  There’s no butter or milk in this recipe.  For liquid we’re using seltzer water and vegetable oil.  The brownies are fudgy and crumbly when they come out of the oven.   They’re a dream. FUDGY Chocolate Brownies made with SELTZER water! Easy Homemade Double Chocolate Brownies recipe that uses seltzer water to make the brownies extra fluffy and moist! These gooey brownies are made from scratch and have a amazing chocolate frosting on top! My husband considers these the BEST brownies ever!

So let’s get started!

Seltzer Water Brownie Recipe

Gather all your ingredients.  You’ll definitely need seltzer water as that’s the star here.  I used Vintage Seltzer in flavor “pineapple” because I felt like I wanted to add slight tropical flavor to the brownies. You can use flavored or you can use plain.   I recommend using seltzer water instead of regular water for all your baking projects (think cookies or pancakes) because the final result will be fluffier. Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

For this recipe we’ll be using 1/2 cup seltzer water. Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Mix your dry cocoa powder and baking soda together and then add your seltzer water. Now watch it start to bubble! Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Now add the rest of your ingredients.  Look at how dark brown the batter gets…. gorgeous! Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Into the oven it goes for 50 minutes.  Before and After. Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Look at how fluffy these brownies are!   Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Let them cool for a little bit and then cut into squares. Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

You can eat them plain or you can add a frosting to make them extra special.   Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

But trust me, they won’t stick around your house for long! Enjoy everyone! Delicious recipe for fudgy chocolate brownies made with seltzer water! The seltzer water helps make the brownies extra fluffy!

Pin these Seltzer Water Chocolate Brownies for later:

FUDGY Chocolate Brownies made with SELTZER water! Easy Homemade Double Chocolate Brownies recipe that uses seltzer water to make the brownies extra fluffy and moist! These gooey brownies are made from scratch and have a amazing chocolate frosting on top! My husband considers these the BEST brownies ever!

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5 from 1 review

Seltzer Water Chocolate Brownies

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FUDGY Seltzer Water Chocolate Brownies! Easy Homemade Double Chocolate Brownies recipe that uses seltzer water to make the brownies extra fluffy and moist! These gooey brownies are made from scratch and have a amazing chocolate frosting on top! My husband considers these the BEST brownies ever!
By: Pamela Reed
serves 12

Ingredients

  • 1 cup unsweetened cocoa powder
  • 1/2 teaspoon baking soda
  • 1/3 cup vegetable oil
  • 1/2 cup seltzer water flavored or plain I used Vintage Pineapple
  • 2 cups sugar
  • 2 eggs
  • 1/3 cup vegetable oil
  • 1 1/3 cup flour
  • 1 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • 1 cup mini chocolate chips

Instructions

  • Preheat oven to 350 degrees. Prepare a 8x8 pan by spraying with nonstick spray.
  • In a large bowl mix cocoa powder and baking soda. Add 1/3 cup vegetable oil and seltzer water, continue to mix. Add sugar, eggs, remaining 1/3 cup vegetable oil, flour, vanilla and salt. Mix with hand mixer until combined.
  • Add mini chocolate chips and stir with a spoon.
  • Pour and spread evenly into the 8x8 pan.
  • Bake for 50 minutes. Allow to cool before cutting into 9 (big!) squares.
  • Eat as is, or add frosting on top.
Author: Pamela Reed
Course:Dessert
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.

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  1. grace says

    July 18, 2016 at 12:12 pm

    i’ve used seltzer water in pancakes with awesome results, but i’ve never tried it in brownies–great idea!

    Reply
  2. Marta @ What should I eat for breakfast today says

    July 17, 2016 at 9:40 am

    i love brownies, need to try this recipe

    Reply
  3. Dee @ The Kitchen Snob says

    July 16, 2016 at 6:24 pm

    These sound incredible. Could go for a batch right now! I never considered using anything like seltzer water. Guess I’m going to be forced to try it and eat the whole batch!

    Reply
  4. Emma @ Bake Then Eat says

    July 15, 2016 at 10:14 pm

    Oh yummy these look amazing! Can’t wait to try these out.

    Reply
  5. Dani @ Dani California Cooks says

    July 15, 2016 at 6:41 pm

    Hi Pamela! I’m so glad I stumbled upon your blog today. What a cool idea – using seltzer water! I’ve never even thought about that!

    Reply
  6. Marcie says

    July 15, 2016 at 5:23 pm

    I’m a choc-a-Holic all the way and I love the sound of these brownies! I would never have thought to use seltzer water — what a great idea!

    Reply
  7. Shashi @ RunninSrilankan says

    July 15, 2016 at 5:10 pm

    My only complaint with brownies sometimes is that they tend to be so dense, but, I adore fluffy and fudgy brownies, Pamela, and these look amazing! Such a brilliant use of seltzer – so gotta try this!
    Happy Friday!

    Reply
  8. Suzanne says

    July 15, 2016 at 11:41 am

    I must try this, seltzer water is such a great idea!! Those brownies look too good!!

    Reply
  9. Tina says

    July 15, 2016 at 11:37 am

    Can u leave out the chips?
    Thanks!

    Reply
    • Pamela says

      July 15, 2016 at 1:26 pm

      You can leave out the chocolate chips, the brownies just won’t be as fudgy double chocolate. Enjoy!

      Reply
  10. Dannii @ Hungry Healthy Happy says

    July 15, 2016 at 7:30 am

    They do look super fluffy, and I never would have thought to use seltzer like this. I just want to eat all that frosting too.

    Reply

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Hi! I'm Pamela, an artist Mom who shares family recipes. My farm is a 1,000 sq ft apartment in NYC. Let's make dinner together.

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