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    Home » Recipes » Dessert » Boozy Beer Brownies with Box Mix

    Published: Dec 2, 2021 · Updated: Feb 18, 2021 by Sharon Garofalow | This post may contain affiliate links. See the privacy policy linked in my footer.

    Boozy Beer Brownies with Box Mix

    Jump to Recipe Print Recipe
    Image contains a dish of guinness brownies next to a bottle of beer and a bowl of whipped cream with text that reads Beer Brownies from a Boxed Mix.

    With just 4 ingredients, these moist Guinness Brownies have a delicious hint of creamy, beer flavor. Starting with a box mix keeps this dessert ridiculously easy with just 5 minutes of prep time.

    These brownies with alcohol are perfect for St. Patrick’s Day and beyond! Even if you aren’t a beer lover you need to give this recipe a try! The stout beer adds a yummy, malty flavor.

    A dish of brownies on the table next to a bottle of beer and whipped cream.
    Guinness Brownies are the game-day dessert you didn’t know you needed.

    This post was originally published on February 18, 2019, and has now been updated to include new images and better instructions.

    Jump to:
    • Why this recipe works
    • Ingredient notes
    • How to Make Guinness Brownies
    • Tips and Tricks
    • Frequently Asked Questions
    • Related recipes
    • Guinness Brownies

    Why this recipe works

    I love alcohol-infused cupcakes and these Beer Brownies with box mix are another fun spiked treat idea to try!

    Starting with a boxed brownie mix cuts down on prep time and the ingredients you need to have on hand. The results are a rich and decadent treat every time.

    By simply using beer in place of the liquid called for on the boxed mix the consistency is always right.

    Stout beer and chocolate pair really well together. With its sweet undertones and dark caramel-like flavors, stout and chocolate are a match made in heaven. The beer enhances the chocolate without being too overpowering.

    You probably won’t even be able to really tell that it’s beer that’s flavoring these Guinness Brownies.

    This unique dessert is simple but feels out of the ordinary. And it’s even more outrageous when topped with Beer Flavored Whipped Cream.

    Infusing a dessert with a little booze is a fun idea to serve for celebrating an adult’s birthday or for a holiday like St. Patrick’s Day or Father’s Day.

    Because the beer brownies actually have so little beer, and because they were baked, I let my kids try them. I make Fireball Cupcakes all the time and feel fine about the small amount of alcohol that is in them.

    Even if you aren’t a beer lover you need to give these Guinness brownies a try! The stout beer adds a yummy, malty flavor to the brownies.

    A photo of an apple spice dump cake with text around it to get the free recipe.

    Ingredient notes

    Labeled ingredients to make beer brownies.

    You can use any type of brownie mix you like as the base for these Stout Brownies. Let your love of chocolate be your guide.

    Read the back of your brownie mix to see what other ingredients you need. Typically, it will say eggs, oil, and water. Make sure you use the correct amounts, per your box mix.

    While I used Guinness to make these Beer Brownies, you can use any other type of stout beer. There are tons of varieties to be found at the grocery store so choose whatever sounds good to you.

    You could also use a porter-style beer which typically has chocolate notes.

    How to Make Guinness Brownies

    A mixing bowl with brownie mix and beer ready to be mixed.
    1. In a large batter bowl, add the brownie mix, oil, eggs and stout beer. 
    2. Mix well, following the directions on the back of your brownie mix (some can be mixed by hand, others call for a mixer).
    3. Pour your spiked Beer Brownie batter into a greased 8 x 8 baking dish.

    4. Bake in a 350-degree oven for about 25 minutes. (again, check the directions on the back of the box, then make sure a toothpick inserted in the center comes out clean).

    Cool before cutting.

    Tips and Tricks

    • A milk chocolate brownie mix really lets more of the malty stout flavor come through but any boxed mix will work.
    • Baking with beer is pretty easy. It’s best to have your Guinness be at room temperature and a little flat. Pour it out of the can or bottle and into a glass to sit for a while before using it.
    • Want to jazz up the Beer Brownie presentation a little bit? Check out my Tiered Brownie Cake idea! It’s so simple and is a great way to serve brownies for a special occasion.

    Frequently Asked Questions

    How to store Guinness Brownies?

    Store these yummy brownies in an air-tight container for up to a week. But I doubt they will last that long.

    What alcohol goes with brownies?

    Beer is the most popular alcohol to use, but I’ve also made them with an orange liqueur which was delicious. Bourbon would also be tasty. I would skip vodka, gin, and tequila.

    What else can I put in my Guinness brownies?

    Nuts are always a delicious addition to brownies. But you can add other baking chips like chocolate chips (for an extra chocolatey burst) or peppermint chips.

    Overhead shot of a small baking dish with brownies.

    Related recipes

    • Boozy Moscow Mule Cupcakes – all the flavors of your favorite Moscow Mule in a cupcake.
    • Beer Ice Cream with Chocolate and Chile – ice cream infused with chile and beer is an unexpectedly delicious treat.
    • How to Make Beer Whipped Cream – four ingredients and filled with rich, stout flavor.
    • Boozy Chocolate Red Wine Cupcakes Recipe
    • Holiday Chocolate Cake Mix Cookies with M&Ms
    • Chocolate Peppermint Dump Cake Recipe
    • Best Chocolate Mayonnaise Cupcake Recipe
    Flower decorated cake with text around it.
    A glass baking dish with beer brownies next to a small bowl of whipped cream and Guinness beer.

    Guinness Brownies

    These boozy Beer Brownies have just 4 ingredients and can be made with just 5 minutes of prep! This moist Guinness dessert has a hint of creamy, stout flavor which makes these brownies with alcohol extra special.
    5 from 3 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 5 minutes
    Cook Time: 25 minutes
    Total Time: 30 minutes
    Servings: 12 servings
    Calories: 13kcal
    Author: Sharon Garofalow

    Equipment

    • Large mixing bowl
    • Hand Mixer
    • 8 x 8 baking dish
    • measuring cup
    • Measuring spoons

    Ingredients

    • 1 Box of Brownie Mix
    • 1/4 cup Guinness Stout Beer
    • 2 eggs
    • 1/2 cup vegetable oil

    Instructions

    • In a large batter bowl, add the brownie mix from a box, oil, eggs and Guinness beer.
    • Mix well, following the directions on the back of your brownie mix (some require a hand mixer).
    • Pour beer brownie batter into a greased 8 x 8 baking dish.
    • Bake in a 350-degree oven for about 25 minutes or until a toothpick comes out clean when inserted in the center.
    • Cool before cutting.

    Notes

    • A milk chocolate brownie mix really lets more of the malty stout flavor come through but any boxed mix will work.
    • Baking with beer is pretty easy. It’s best to have your Guinness be at room temperature and a little flat. Pour it out of the can or bottle and into a glass to sit for a while before using it.
    • Want to jazz up the Beer Brownie presentation a little bit? Check out my Tiered Brownie Cake idea! It’s so simple and is a great way to serve brownies for a special occasion.
    • Serve these Guinness brownies with beer-infused whipped cream!
    • Store these yummy Beer Brownies in an air-tight container for up to a week. 

    Nutrition

    Serving: 12Servings | Calories: 13kcal | Carbohydrates: 1g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 27mg | Sodium: 11mg | Potassium: 10mg | Sugar: 1g | Vitamin A: 40IU | Calcium: 4mg | Iron: 1mg
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    About Sharon Garofalow

    Sharon lives in Southern California with her adorable family. She loves to share ideas to make mom life easier and encourage busy gals to make time for themselves too! Sharon's "me" time often includes watching Hallmark Channel movies, sipping sauvignon blanc, trying not to eat Salt and Pepper potato chips, and planning girlfriend getaways.

    Reader Interactions

    Comments

    1. Jamie says

      January 24, 2014 at 9:36 am

      Um, yes please!

      Reply

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    Based in Southern California, I am the mom to two amazing boys and married to the raddest man in all the land. Cupcakes and Cutlery is your resource for simple solutions to help you be an awesome wife and mother and not lose yourself in the process. Email me at cupcakesandcutlery@gmail.com

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