Chocolate Chip Cookie Banana Muffins
These little muffins are the best of two worlds: the soft chew of a cookie and the tender crumb of a banana muffin. They come out of the oven with golden tops and chocolate pockets, and they’re finished in minutes once you have your batter ready. I make a batch whenever bananas get too spotty on the counter — they transform into something everyone reaches for.
I like that this recipe is straightforward and forgiving. It uses pantry staples and a mini muffin tin so the treats feel bite-sized and special. They’re great for lunchboxes, a quick breakfast, or a plate to share with neighbors.
Below you’ll find the exact ingredients and step-by-step directions I follow, plus practical tips for swaps, troubleshooting, and storage. Follow the recipe as written the first time; then tweak to suit your taste.
Gather These Ingredients

- 1 3/4 cup flour — provides structure; measure by spooning into the cup and leveling for accuracy.
- 1/2 cup old fashioned oatmeal — adds chew and texture; pulse briefly if you prefer finer bits.
- 1/2 teaspoon baking soda — the leavening agent that gives a gentle lift.
- 1/2 teaspoon salt — balances sweetness and enhances flavor.
- 1/2 cup (1 stick) butter, softened — adds richness and tenderness; make sure it’s soft, not melted.
- 1/2 cup mashed banana (about 1 large) — provides moisture and banana flavor; ripe bananas (with brown spots) are best.
- 3/4 cup packed light brown sugar — adds moisture and a caramel note; pack it evenly into the cup.
- 1/4 cup granulated sugar — balances sweetness and helps with browning.
- 2 eggs — bind the batter and add structure; use room temperature eggs for smoother mixing.
- 2 teaspoons vanilla extract — deepens and rounds the overall flavor.
- 1 1/2 cups chocolate chips — the chocolate pockets; fold them in so they’re evenly distributed.
How to Prepare Chocolate Chip Cookie Banana Muffins
- Preheat the oven to 350°F (175°C). Line a mini muffin tin with mini cupcake liners.
- In a small bowl, whisk together the flour, old fashioned oatmeal, baking soda, and salt until evenly combined. Set aside.
- In a large mixing bowl or the bowl of a stand mixer, beat the softened butter until light and fluffy.
- Add the mashed banana to the butter and beat until incorporated.
- Add the packed light brown sugar, granulated sugar, and vanilla extract; beat until the mixture is creamy and smooth.
- Add the eggs one at a time, beating well after each addition.
- Gradually add the flour–oatmeal mixture to the wet ingredients, mixing on low speed or folding by hand just until no large streaks of flour remain. Do not overmix.
- Stir in the chocolate chips until evenly distributed.
- Using a teaspoon or a small scoop, drop about 1 teaspoon of batter into each mini cupcake liner. Fill each liner nearly to the top, leaving a little room for the muffins to rise.
- Bake for 13 to 18 minutes, or until the tops are golden brown and set. A toothpick inserted into the center should come out with a few moist crumbs but no raw batter.
- Let the muffins cool in the pan for about 5 minutes, then transfer them to a wire rack to cool further before serving.
Why This Chocolate Chip Cookie Banana Muffins Stands Out
What makes these muffins special is the balance between two familiar textures. The oatmeal brings a toothsome chew you expect from a hearty muffin, while the butter-forward batter and chocolate chips give a cookie-like finish. The mashed banana adds moisture and natural sweetness without making the crumb dense or gummy.
The recipe is intentionally simple and uses a mini muffin format. Small size concentrates flavors, so each bite has the ideal ratio of banana, chocolate, and buttery crumb. The brown sugar keeps the interior soft and lends a subtle caramel tone that plays well with the banana.
It’s also forgiving. The method relies on gentle mixing once the flour is in; that prevents gluten development and keeps the texture tender. The result is consistent whether I’m baking for a crowd or just myself.
Ingredient Swaps & Substitutions

- Flour — For a slightly denser but still tasty result, use whole wheat pastry flour in a 1:1 swap; it will add a nutty flavor.
- Oatmeal — Quick oats can be used if that’s what you have, though the texture will be softer.
- Butter — If you prefer, you can use half butter and half neutral oil for a moister crumb; keep the total fat the same.
- Brown sugar — Swap with an equal amount of dark brown sugar for a deeper molasses note, or use coconut sugar at a 1:1 ratio if you want a different caramel character.
- Chocolate chips — Use chopped chocolate bars or a mix of chips and chopped for varied pockets of melt.
- Banana — If you want a stronger banana flavor, use very ripe bananas and mash them well; for milder flavor, reduce to 1/3 cup.
Hardware & Gadgets

- Mini muffin tin — required for the intended size and bake time; a standard tin will change baking time and yield.
- Mini cupcake liners — keep muffins from sticking and make serving easy.
- Stand mixer or hand mixer — speeds up creaming the butter and incorporating eggs, but a bowl and sturdy wooden spoon will work.
- Spoon or small scoop (teaspoon-sized) — helps portion consistent mini muffins so they bake evenly.
- Wire rack — allows muffins to cool properly so bottoms don’t sweat and get soggy.
Troubles You Can Avoid
- Muffins too dense — Don’t overmix once the flour is added. Mix only until large streaks disappear. Overmixing develops gluten and yields a tougher crumb.
- Flat tops or little rise — Make sure your baking soda is fresh. Also ensure batter isn’t too warm going into the oven; room temperature ingredients are best.
- Dry crumb — Measure flour by spooning into the cup and leveling; scooping directly can pack too much flour. Also don’t overbake — check at 13 minutes and judge doneness by a few moist crumbs on a toothpick.
- Chocolate sinks — If chips sink, toss them in a tablespoon of flour before folding in; that gives them grip in the batter.
- Banana flavor too faint — Use very ripe bananas with brown spots and mash them thoroughly to release more flavor.
Allergy-Friendly Swaps
If you’re cooking for someone with allergies, here are practical swaps. Each change affects texture slightly, so try one swap at a time until you find your preferred balance.
- Dairy-free — Replace the butter with a dairy-free butter or a neutral oil like avocado or light olive oil in an equal amount. Oil will make the muffin slightly more tender but less cookie-like.
- Egg-free — Use an egg replacer or a flax “egg” (1 tablespoon ground flaxseed + 3 tablespoons water per egg, let rest until gelled). Expect a denser crumb with flax eggs.
- Gluten-free — Use a 1:1 gluten-free flour blend that contains xanthan gum; keep the oatmeal certified gluten-free. Texture will be slightly different but still delicious.
- Nut allergies — This recipe does not call for nuts; avoid adding them and check chocolate chips are nut-free.
Testing Timeline
When I test these, I follow a simple timeline to check texture and flavor:
- At 13 minutes — Check a center muffin with a toothpick; it should have a few moist crumbs, not raw batter.
- 13–18 minutes — Depending on your oven and how full the liners are, most batches finish here. Rotate the pan once at halfway if your oven has hot spots.
- Cooling — Let muffins sit in the pan for 5 minutes to firm up, then transfer to a rack. Testing a muffin too soon can lead to a gummy interior.
- Taste — After 10–15 minutes of cooling, they’re warm and chocolate is soft — ideal for tasting. Full flavor settles after they cool, so test both warm and cooled.
Storing Tips & Timelines
These mini muffins store well because of the banana and brown sugar. Follow these simple storage rules to keep them at their best.
- Room temperature — Store in an airtight container at room temperature for up to 2 days. Layer with parchment if stacking to avoid sticking.
- Refrigerator — If you prefer chilled, refrigerate up to 5 days; bring to room temp before serving for softer texture.
- Freezer — Freeze in a single layer on a tray, then transfer to a freezer bag for up to 3 months. Thaw at room temperature or warm in a 300°F oven for 5–8 minutes.
- Refreshing — To revive slightly stale muffins, warm briefly in a 325°F oven for 5–7 minutes or microwave one on a plate for 10–15 seconds.
Quick Questions
- Can I make full-size muffins instead of mini? — Yes, but bake longer (about 18–22 minutes) and watch for a few moist crumbs on a toothpick. Yield and bake time will differ.
- Can I double the recipe? — Yes. Mix in a larger bowl and maintain the same technique. Bake in batches so the pan isn’t overcrowded in the oven.
- Why use both brown and granulated sugar? — Brown sugar adds moisture and caramel notes; granulated sugar helps with structure and browning. The combo balances chew and crumb.
- Can I add nuts or dried fruit? — You can fold in a small amount (keeping total mix-ins at about 1 1/2 to 2 cups). Add chopped nuts or raisins as desired.
- How ripe should the bananas be? — Ripe with brown spots is ideal. They mash easily and bring the best flavor and sweetness.
That’s a Wrap
These Chocolate Chip Cookie Banana Muffins are a reliable, compact treat that hits the sweet spot between cookie and muffin. They come together with simple steps and ingredients, and their mini size makes them delightfully snackable. Start with the recipe as written, then experiment with swaps once you know how they behave in your oven.
Make a double batch if you can — they disappear fast. And if you try a tweak that you love, jot it down so you can recreate it the next time overripe bananas show up on your counter.

Chocolate Chip Cookie Banana Muffins
Ingredients
Equipment
Method
- Preheat the oven to 350°F (175°C). Line a mini muffin tin with mini cupcake liners.
- In a small bowl, whisk together the flour, old fashioned oatmeal, baking soda, and salt until evenly combined. Set aside.
- In a large mixing bowl or the bowl of a stand mixer, beat the softened butter until light and fluffy.
- Add the mashed banana to the butter and beat until incorporated.
- Add the packed light brown sugar, granulated sugar, and vanilla extract; beat until the mixture is creamy and smooth.
- Add the eggs one at a time, beating well after each addition.
- Gradually add the flour–oatmeal mixture to the wet ingredients, mixing on low speed or folding by hand just until no large streaks of flour remain. Do not overmix.
- Stir in the chocolate chips until evenly distributed.
- Using a teaspoon or a small scoop, drop about 1 teaspoon of batter into each mini cupcake liner. Fill each liner nearly to the top, leaving a little room for the muffins to rise.
- Bake for 13 to 18 minutes, or until the tops are golden brown and set. A toothpick inserted into the center should come out with a few moist crumbs but no raw batter.
- Let the muffins cool in the pan for about 5 minutes, then transfer them to a wire rack to cool further before serving.
