There’s nothing quite like celebrating St. Patrick’s Day with a sweet treat that matches the festive spirit, and that’s exactly why I’m so excited to share this St. Patrick’s Day Frosted Bite Brownies Recipe. These little squares pack all the fudgy, chocolaty goodness of classic brownies but come dressed in vibrant green frosting that’s fun, festive, and simply irresistible. Whether you’re making them for a party, a family gathering, or just to enjoy a special seasonal treat, these bite-sized delights combine a rich texture with a hint of peppermint for a refreshing twist. Trust me, once you try this recipe, they’ll become your new holiday favorite.

Ingredients You’ll Need
This St. Patrick’s Day Frosted Bite Brownies Recipe keeps things wonderfully simple with pantry staples that deliver incredible taste and texture. From the ease of a boxed brownie mix to the creamy, vibrant frosting, every ingredient plays a crucial role in making these treats pop with flavor and color.
- Brownie mix (1 box): Your base, whether store-bought or homemade, ensures a rich and fudgy texture that’s perfect for bite-sized treats.
- Vegetable oil (½ cup): Adds moisture and tenderness to the brownies, keeping them delightfully soft.
- Large eggs (2): Help bind the ingredients and create that perfect, chewy brownie consistency.
- Water (2 tbsp): Essential for mixing and adding to the batter’s smoothness, as per brownie mix instructions.
- Peppermint extract (¼ tsp, optional): For those wishing to add a subtle minty zing that complements the chocolate beautifully.
- Unsalted butter (½ cup, softened): Makes the frosting luxuriously creamy and rich.
- Powdered sugar (2 cups): Sweetens and thickens the frosting to the ideal spreadable consistency.
- Heavy cream (2-3 tbsp): Adjusts the frosting’s texture, making it smooth and fluffy.
- Vanilla extract (1 tsp): Adds warmth and depth to the frosting’s flavor.
- Green food coloring (½ tsp): Gives the frosting that cheerful St. Patrick’s Day hue—go for gel for vivid color!
- Pinch of salt: Balances sweetness and enhances flavors in the frosting.
- Green sprinkles or shamrock decorations: Fun finishing touches that bring festive flair to each bite.
- White chocolate chips or mini marshmallows (optional): These add texture and a bit of extra sweetness if you feel like getting creative.
How to Make St. Patrick’s Day Frosted Bite Brownies Recipe
Step 1: Prepare the Brownie Batter
Start by preheating your oven according to the brownie mix instructions, usually around 350°F. In a mixing bowl, combine the brownie mix, vegetable oil, eggs, water, and peppermint extract if you’re using it. Stir gently until the batter is smooth and glossy. Resist the urge to overmix to keep those brownies fudgy and tender.
Step 2: Bake the Brownies
Pour the batter into a greased 8×8-inch baking pan, spreading it evenly. Pop it into the oven and bake for about 25 minutes, or until a toothpick inserted into the center comes out with just a few moist crumbs. Perfectly baked brownies are moist but cooked through, the ideal base for frosting later.
Step 3: Cool Completely
Allow your brownies to cool fully in the pan on a wire rack. This is an important step because frosting warm brownies will cause it to melt and slide off, and nobody wants a messy dessert.
Step 4: Make the Frosting
While the brownies cool, whip up the frosting. In a bowl, beat the softened butter until creamy. Gradually add powdered sugar, alternating with heavy cream until you achieve a smooth, spreadable frosting. Stir in vanilla extract, salt, and green food coloring until you get that perfect vibrant shade. Taste and adjust if you want more color or vanilla kick!
Step 5: Frost and Decorate
Once the brownies are completely cool, spread a generous layer of the green frosting all over. Don’t be shy—it looks even better thick! Finish off with green sprinkles, shamrock decorations, or optional white chocolate chips or mini marshmallows for a festive crunch.
How to Serve St. Patrick’s Day Frosted Bite Brownies Recipe

Garnishes
Adding garnishes is a fantastic way to elevate your St. Patrick’s Day Frosted Bite Brownies Recipe. Think playful and thematic—green sugar crystals, edible gold glitter, or tiny shamrock candies create that perfect holiday vibe. These little touches make each bite feel like a celebration.
Side Dishes
Serve these brownies with cool, creamy sides like vanilla ice cream or a scoop of mint chocolate chip ice cream for an extra indulgent combo. For a lighter option, fresh berries brighten the palate while complementing the minty undertones beautifully.
Creative Ways to Present
Try serving these brownie bites on a festive platter lined with green parchment paper or atop mini cupcake liners for easy grab-and-go portions. Another fun idea is creating a “pot of gold” dessert tray, tossing gold-wrapped chocolates beside the brownies for a magical St. Patrick’s Day display!
Make Ahead and Storage
Storing Leftovers
If you have any leftovers—and honestly, who does?—store your St. Patrick’s Day Frosted Bite Brownies in an airtight container at room temperature. They’ll stay fresh and fudgy for up to three days, making a perfect snack or treat for later.
Freezing
For longer storage, you can freeze these brownies either frosted or unfrosted. Wrap individual bites tightly in plastic wrap and place them in a freezer-safe container. Frozen brownies keep well for up to three months without losing their delightful texture or flavor.
Reheating
To enjoy your brownies warm again, let them thaw at room temperature first. Then, pop a few bites into the microwave for about 10-15 seconds to soften them up without melting the frosting. This way, they taste just as fresh as when you first made them!
FAQs
Can I make these brownies completely from scratch instead of using a mix?
Absolutely! This recipe is flexible. If you prefer, use your favorite homemade brownie recipe as the base. The frosting and festive decorations can be applied the same way, giving your brownies that magical St. Patrick’s Day touch.
Is the peppermint extract necessary?
Peppermint extract is optional but highly recommended if you love a refreshing minty flavor that pairs wonderfully with chocolate. If you’re not a fan of mint, feel free to leave it out; the brownies will still be delicious.
Can I use natural food coloring instead of artificial?
You can! Natural green food coloring made from spinach or spirulina powders works well, although it might produce a more muted shade than gel food coloring. Just add it gradually until you reach the color you desire.
What if I don’t have heavy cream for the frosting?
No worries—milk can substitute in a pinch, but use a bit less to keep the frosting from becoming too runny. Alternatively, a splash of half-and-half works nicely to maintain a creamy texture.
How do I make these into bite-sized pieces perfectly?
After frosting the entire brownie sheet, chill it briefly to set the frosting, then use a sharp knife to cut into 16 to 20 equal-sized squares. Cutting when the frosting is slightly firm helps prevent smudging and keeps each bite neat.
Final Thoughts
This St. Patrick’s Day Frosted Bite Brownies Recipe is a celebration on a plate that anyone can make and love. The joyful green frosting combined with the rich, fudgy brownie base creates magic in every bite. I hope you have as much fun making and sharing these festive treats as I do every year. Give them a try and watch how quickly they disappear at your next gathering!
Print
St. Patrick’s Day Frosted Bite Brownies Recipe
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
- Yield: 16 to 20 brownie bites
- Category: Dessert
- Method: Baking
- Cuisine: American
Description
Celebrate St. Patrick’s Day with these festive Frosted Bite Brownies, featuring rich, fudgy brownie bites topped with a creamy, mint-flavored green frosting. Perfectly portioned for parties or as a sweet treat, these delightful brownies combine classic chocolate with a refreshing hint of peppermint and playful decorations to brighten your holiday dessert table.
Ingredients
Brownies
- 1 box of brownie mix (or homemade brownies if preferred)
- ½ cup vegetable oil (or as instructed on the brownie mix box)
- 2 large eggs
- 2 tbsp water (or as instructed on the brownie mix box)
- ¼ tsp peppermint extract (optional for a minty twist)
Frosting
- ½ cup unsalted butter, softened
- 2 cups powdered sugar
- 2–3 tbsp heavy cream
- 1 tsp vanilla extract
- ½ tsp green food coloring (gel or liquid)
- A pinch of salt
Decorations
- Green sprinkles or shamrock decorations
- White chocolate chips or mini marshmallows (optional)
Instructions
- Prepare the Brownie Batter: In a large mixing bowl, combine the brownie mix, vegetable oil, eggs, water, and optional peppermint extract. Stir until the batter is smooth and well combined, ensuring all ingredients are fully incorporated.
- Bake the Brownies: Preheat your oven to the temperature specified on the brownie mix box (usually 325-350°F). Pour the batter into a greased or parchment-lined baking pan to your desired thickness. Bake for about 25 minutes or until a toothpick inserted in the center comes out with a few moist crumbs. Remove from the oven and allow to cool completely.
- Cut into Bite-Sized Pieces: Once cooled, cut the brownies into approximately 16-20 small, bite-sized squares to create perfect brownie bites for easy serving and enjoyment.
- Make the Frosting: In a mixing bowl, beat the softened unsalted butter until creamy. Gradually add powdered sugar, alternating with heavy cream to reach a smooth and spreadable consistency. Mix in vanilla extract, green food coloring, and a pinch of salt until the frosting achieves a vibrant mint-green color and balanced flavor.
- Frost the Brownie Bites: Using a knife or piping bag, generously spread or pipe the green frosting over each brownie bite, creating a festive and eye-catching topping.
- Add Decorations: Sprinkle green sprinkles or shamrock decorations over the frosted brownie bites. Optionally, add white chocolate chips or mini marshmallows for extra texture and flavor.
- Serve and Enjoy: Arrange the decorated brownie bites on a festive platter. Serve immediately or refrigerate to set the frosting before serving. These bites are perfect for St. Patrick’s Day celebrations and gatherings.
Notes
- For a stronger peppermint flavor, increase the peppermint extract slightly but be cautious as it can become overpowering.
- If you prefer a thicker frosting, reduce the heavy cream to 2 tablespoons; add more if you want it runnier.
- Brownie bites can be stored in an airtight container at room temperature for up to 3 days or refrigerated for up to a week.
- To make homemade brownies, use your favorite recipe in place of the boxed mix with equivalent quantities.
- Green food coloring gel tends to give a more vibrant color without thinning the frosting compared to liquid coloring.

