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This small batch brownies recipe makes 6 fudgy, cocoa-rich brownies in a small baking dish with one egg and about 25 minutes of bake time. No mixer needed.
Featured Comment
“Soooo good. Easy to make with everyday ingredients. Perfect size for me.”
– Jill
Quick Look
- Prep Time: 10 minutes
- Cook Time: 20–25 minutes
- Total Time: 30–35 minutes
- Equipment: 5×5-inch or 4×6-inch baking dish
- Cook Method: Oven-baked
- Servings: 6 brownies
- Difficulty: Easy
These small batch brownies are dense and fudgy with a rich cocoa flavor, warm butter and vanilla undertones, and a thin crackled top, made from scratch with pantry ingredients.
Why This Small Batch Brownies Recipe Works
A full pan of brownies sounds great until you’re picking at stale leftovers three days later. I make this small batch brownies recipe when I want a few fresh squares without the waste.
The batter comes together fast. Melted butter, sugar, one egg, and a few tablespoons of cocoa powder. No melted chocolate to fuss with, no mixer to drag out. Everything goes into a small baking dish and into the oven for about 25 minutes.
What I like about this ratio is how much chocolate flavor you get from cocoa alone. Melted butter makes the cocoa taste richer and more chocolatey, and the low amount of flour keeps the texture dense and fudgy instead of cakey.
I tested and adjusted the proportions over several batches to get that balance right: enough structure to slice cleanly, but soft and rich in the center.
The recipe fills a 5×5-inch baking dish and cuts into 6 brownies. That’s enough for one or two people over a couple of days, and you can double the batch in a larger dish using the same bake time.
Chocolate chips, chopped nuts, or a swirl of peanut butter all work if you want to change things up.
If you’re looking for a single brownie baked in a ramekin, try our single serve brownie. For a gluten-free option, our small batch flourless brownies use almond butter instead of flour. And the Oreo brownie for one is a fun chocolate and cookie combination.
Ingredient Notes
This small batch brownies recipe uses one egg, cocoa powder, and simple pantry ingredients you probably already have. If you have any ingredients leftover, check out our Leftover Ingredients Recipe Finder.
Sugar: Granulated sugar sweetens the batter and helps create the thin, crackled top that’s the sign of a good brownie. As the sugar dissolves into the egg and butter, it forms a glossy layer on the surface that crisps during baking.
Butter: Salted butter adds richness and keeps the brownies moist. Melting it first means you can mix the entire batter by hand in one bowl. If using unsalted butter, add an extra pinch of salt to balance the sweetness.
Egg: One whole egg binds the batter and gives the brownies structure while keeping the center fudgy. Let the egg come to room temperature before mixing for a smoother batter and better crackled top.
Vanilla Extract: A small amount rounds out the cocoa flavor and adds warmth. Use pure vanilla extract for the best result.
All-purpose flour: Only 1/4 cup goes into this recipe. That small amount of flour relative to the butter, sugar, and egg is what keeps the brownies dense and fudgy instead of cakey.
Cocoa powder: Unsweetened cocoa powder is the only chocolate source in this recipe, which keeps things simple and pantry-friendly. Natural or Dutch-process cocoa both work here. Dutch-process gives a darker color and slightly smoother flavor, while natural cocoa has a sharper chocolate taste. Either one will produce a fudgy brownie. Extra cocoa powder works well in single serve chocolate banana bread or mini devil’s food cake.
Baking powder: A small amount, just 1/8 teaspoon, adds enough lift so the brownies aren’t completely flat without pushing them into cakey territory. Some brownie recipes skip leavener entirely, but this amount gives the top a slight rise and helps develop that crackled surface.
Salt: Salt sharpens the chocolate flavor and keeps the brownies from tasting one-note sweet.
Nuts (optional): Chopped pecans or walnuts add texture and crunch. Fold them in gently at the end so you don’t deflate the batter. The brownies are just as good without them.
Recipe Variations
These homemade brownies are easy to customize with a few simple additions.
Peanut butter swirl brownies. Drop 2 tablespoons of creamy peanut butter in small spoonfuls over the batter in the baking dish and use a knife to swirl it through before baking. The peanut butter softens in the oven and creates rich, gooey streaks in every slice.
Salted caramel brownies. Drizzle 1 to 2 tablespoons of caramel sauce over the batter and gently swirl it in before baking. Sprinkle a few flakes of sea salt on top right when they come out of the oven.
Espresso brownies. Add 1/4 teaspoon of instant espresso powder to the dry ingredients. It deepens the chocolate flavor without making the brownies taste like coffee.
Chocolate chip brownies. Stir 1/4 cup of chocolate chips into the batter for pockets of melted chocolate in every bite.
S’mores brownies. Sprinkle mini marshmallows and graham cracker crumbs over the batter just before baking for a toasted marshmallow and chocolate combination.
How To Make Small Batch Brownies
Follow these steps to make fudgy cocoa powder brownies in a small baking dish. Full ingredient amounts are in the recipe card below.
- Heat the oven to 350°F (177°C). Lightly butter a 5×5-inch or a 4×6-inch baking dish and set it aside.
- In a medium bowl, stir the melted butter and sugar until fully mixed.
- Add the egg and vanilla extract. Stir until the mixture looks smooth and glossy.
- In a separate small bowl, whisk together the flour, cocoa powder, baking powder, and salt.
- Add the dry ingredients to the wet ingredients. Stir just until no dry streaks remain. Do not overmix.
- If using nuts, gently fold them into the batter.
- Spread the batter evenly in the prepared baking dish.
- Bake for 20 to 25 minutes, until a toothpick inserted in the center comes out with a few moist crumbs. A clean toothpick means they’ve gone too long. Wet batter means they need more time.
- Let the brownies cool in the dish for at least 10 minutes before slicing. They firm up as they cool, so don’t rush this step.
Expert Tips
Use the right baking dish. A 4×6-inch or 5×5-inch baking dish gives these brownies the right thickness for a fudgy center and set edges. A larger dish spreads the batter too thin, and the brownies will overbake and dry out.
Whisk the egg and sugar well. Stirring the egg into the butter and sugar until the mixture looks smooth and glossy is what creates that thin, crackled top. If the sugar doesn’t dissolve enough, the top will bake up flat and matte instead.
Spoon and level your flour. Scooping flour directly from the bag packs it into the measuring cup and can add 20 to 30% more than the recipe needs. That extra flour pushes brownies from fudgy to cakey. Spoon the flour into the cup, then level it off with a flat edge.
Do not overmix the batter. Stir the dry ingredients into the wet just until no dry streaks remain. Overmixing develops gluten in the flour, which makes the brownies tough and chewy instead of soft and fudgy.
Troubleshooting
If your small batch brownies aren’t turning out quite right, here is how to fix common issues like cakey texture, dry edges, or a flat top.
Why are my brownies cakey instead of fudgy?
Too much flour. Scooping directly from the bag packs the measuring cup and can add 20 to 30% more than the recipe calls for. Spoon the flour into the cup and level it off. Overbaking also shifts the texture toward cake. Pull them when a toothpick shows moist crumbs, not a clean pick.
Why are my brownies dry and tough?
Overbaking or overmixing. Start checking at 20 minutes and remember that brownies firm up as they cool. If you stirred the batter too long after adding the flour, extra gluten development toughens the texture.
Why don’t my brownies have a crackly top?
The sugar didn’t dissolve enough. Stir the melted butter, sugar, and egg together until the mixture looks smooth and glossy before adding the dry ingredients. A cold egg can also prevent the sugar from dissolving, so let it come to room temperature first.
Why are my brownies raw in the middle?
The oven is likely running cooler than the dial reads. An oven thermometer helps confirm the actual temperature. A baking dish deeper than a standard 5×5 or 4×6 also slows down the center. Bake a few minutes longer and recheck with a toothpick.
How do I keep brownies from sticking to the pan?
Butter the dish thoroughly before adding the batter, getting into the corners. For easier removal, line the dish with parchment paper with overhang on two sides so you can lift the whole slab out after cooling.
Frequently Asked Questions
Yes. One whole egg is all you need for a small batch of brownies baked in a 5×5-inch dish. It binds the batter and creates a fudgy center without making the texture cakey.
A 5×5-inch or 4×6-inch baking dish works best. These sizes give the batter the right thickness for fudgy brownies with set edges. A larger pan spreads the batter too thin and leads to overbaking.
A toothpick inserted in the center should come out with a few moist crumbs. Wet batter means they need more time. A clean toothpick means they’ve overbaked.
Yes. Double the ingredients and bake in a 6.5×6.5-inch or 6×8-inch baking dish. Start checking for doneness at the same time, around 20 minutes.
Keep them covered at room temperature for up to 2 days or refrigerate in an airtight container for up to 4 days. Slice them before storing so they hold moisture better.
Yes. Let them cool completely, wrap individual squares in plastic wrap, and store in a freezer bag for up to 3 months. Brownies never fully harden in the freezer because of the high sugar content, so they’re ready to eat almost immediately.
This recipe makes 6 brownies from a 5×5-inch or 4×6-inch baking dish. It’s a great brownies for two recipe, with enough to share over a couple of days or enjoy on your own.
Ways To Use Leftover Ingredients
If you have any ingredients leftover from this recipe, check out our Leftover Ingredients Recipe Finder or you might like to consider using them in any of these single serving and small batch recipes:
RELATED: 15 Easy Dessert Recipes For One
If you’ve tried this small batch brownies recipe or any recipe on One Dish Kitchen please let me know how you liked it by rating the recipe and telling me about it in the comment section below.
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Small Batch Brownies
Watch How To Make This
Equipment
- 5-inch baking dish or a 4×6-inch baking dish
Ingredients
- 4 tablespoons butter -melted
- ½ cup sugar
- 1 large egg
- ½ teaspoon vanilla extract
- ¼ cup all purpose flour
- 3 tablespoons unsweetened cocoa powder
- ⅛ teaspoon baking powder
- ⅛ teaspoon salt
- 2 tablespoons chopped pecans (optional)
Instructions
- Heat the oven to 350°F (177°C). Lightly butter a 5×5 inch or 4×6 inch baking dish and set it aside.
- In a medium bowl, stir the melted butter and sugar until fully combined.
- Add the egg and vanilla extract. Stir until the mixture looks smooth and glossy.
- In a separate small bowl, whisk together the flour, cocoa powder, baking powder, and salt.
- Add the dry ingredients to the wet ingredients. Stir just until no dry streaks remain. Do not overmix.
- Fold in the chopped nuts if using.
- Spread the batter evenly in the prepared baking dish.
- Bake for 20 to 25 minutes. The brownies are done when a toothpick inserted in the center comes out with a few moist crumbs attached.
- Let the brownies cool in the dish for at least 10 minutes before slicing into squares.
Notes
Nutrition
The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.
I don’t have a 5×5 pan. Can I bake them in 4-inch ramikins?
Two 4-inch ramekins should work.
These turned out perfect. I used a 4×6 pan and baked them for 20 minutes. Absolutely delicious 🙂
All corner brownies! It doesn’t get any better. These were easy to make, great texture, and wonderfully chocolatey. Perfect portions for hubby and me.
Making these tonight. I was wondering, considering the cost of eggs at the moment, have you considered trying a section of egg free desserts?
Yes, we have quite a few egg-free dessert recipes.
Made the brownies today. Way better than anything from a box!!
Thank you!
Quick, easy and delicious. I added dark chocolate chips and the pecans 🙂
Would it be ok to use cane sugar?
Yes.
Has anyone made these in a little toaster oven?
I make most of my single serving desserts in a Ninja toaster oven. It’s a lot better at keeping the right temperature.