This banana chocolate smoothie is the drink I make on mornings when my kids are moving too slow and I need something that feels warm even though it’s cold. It’s just a ripe frozen banana, real cocoa, a spoon of Greek yogurt, and a pinch of salt, blended until it tastes like a chocolate milkshake that happens to be breakfast.
My youngest calls it “the brown smoothie” and asks for it by name. If you want something simpler first, start with our classic banana smoothie — this one just has a little more cocoa in its life.
Why You’ll Love This Banana Chocolate Smoothie
- One blender, five minutes. No cooking, no waiting — just blend and pour.
- Naturally sweet. Ripe banana does most of the sweetening, so you decide how much more it needs.
- Real cocoa flavor. Unsweetened cocoa powder and a pinch of sea salt make this taste like a proper chocolate and banana smoothie, not a watered-down one.
- Kid-approved. My kids ask for this one by name and have no idea it’s actually good for them.
- Easy to adjust. Add more milk for a thinner sip, or less for a thick, milkshake-style glass. Want it spoonable? Our chocolate banana smoothie bowl is built for that.
Ingredients & Notes
Here’s what goes into this banana cocoa smoothie recipe, plus a few notes on what actually matters and what you can swap without changing the outcome.
Wet Ingredients
Frozen banana. Slice a ripe, spotty banana before freezing — it blends smoother than freezing it whole. The riper the banana, the less sweetener you’ll need.
Milk of choice. Almond, oat, or whole milk all work here. Use a plant milk if you want this dairy-free-friendly.
Greek yogurt. This is what makes the texture thick and creamy without watering down the chocolate flavor. A dairy-free yogurt works as a swap.
Maple syrup or honey. Optional — only add it if your cocoa tastes bitter to you. A very ripe banana often means you can skip it entirely.
Chocolate & Flavor
Unsweetened cocoa powder. Use real cocoa, not a sweetened cocoa mix. Start with 1 tablespoon and taste, since cocoa brands vary a lot in intensity.
Pure vanilla extract. A small amount makes a big difference — it rounds out the cocoa and keeps it from tasting flat.
Sea salt. Just a pinch. It’s the ingredient people forget, and it’s the one that makes the chocolate taste more like chocolate.
Topping (Optional)
Mini dark chocolate chips or cacao nibs. Totally optional, but they turn an everyday glass into something that looks a little special.
How to Make a Banana Chocolate Smoothie
There’s no real technique here, just an order that keeps the blender happy and the cocoa from clumping.
Blend the Base
- Pour the milk, yogurt, maple syrup, and vanilla into the blender first, before anything dry goes in.
- Add the cocoa powder and sea salt, then top it with the frozen banana slices — layering the banana over the cocoa keeps the powder from sticking dry to the blender walls.
- Blend on high for about 60 seconds, until the mixture is velvety, thick, and a deep chocolate color.
Adjust and Serve
- Adjust the consistency if needed — if it’s too thick to pour, add 1 to 2 tablespoons of milk and pulse briefly.
- Serve in a tall glass and finish with a few chocolate shards or a light dusting of cocoa on top.
Lily’s Tips for a Thick Chocolate Smoothie
A few things I’ve learned after making this one more times than I can count.
- Layer wet ingredients first. Pouring the milk and yogurt in before the cocoa keeps the powder from sticking to a dry blender bottom.
- Salt makes chocolate taste like chocolate. Don’t skip the pinch — it’s the difference between fine and really good.
- Freeze your bananas ahead of time. Slice and freeze ripe bananas in a bag so you always have some ready for a five-minute morning smoothie. Brown-spotted bananas contain up to 80% more natural sugar than yellow ones, which is exactly why this healthy chocolate banana smoothie needs so little added sweetener.
“I always say: the blacker the banana, the better the bread — and the same goes for a chocolate smoothie. The riper it is, the deeper the flavor.”
Variations
This smoothie is easy to bend toward whatever you’re in the mood for.
Peanut Butter Chocolate Version
Stir a spoonful of peanut butter in instead of the yogurt for a nuttier, richer sip. For the full recipe, see our creamy peanut butter banana smoothie.
Extra-Indulgent Milkshake Style
Craving a banana chocolate milkshake instead? Try our dessert-style banana milkshake — it swaps the yogurt for ice cream and leans fully into dessert territory.
Dairy-Free Version
Use a plant-based milk and a dairy-free yogurt to make this fully dairy-free. The cocoa flavor stays just as rich, and the texture barely changes.
Banana Chocolate Smoothie FAQ
Yes. Add a little more frozen banana or 2 tablespoons of rolled oats for thickness, or swap in a spoonful of peanut butter. It will be slightly less tangy but just as creamy.
It can be. With a ripe banana, unsweetened cocoa and plain Greek yogurt, you get fiber, potassium and protein with little or no added sugar. Skip the maple syrup if your banana is very spotty.
How to Store
Counter: Not recommended — this smoothie is best blended fresh and enjoyed right away.
Fridge: Up to 1 day in an airtight jar or bottle. Give it a good shake before drinking, since it will separate slightly.
Freezer: Up to 1 month in a freezer-safe container, leaving a little room at the top. Thaw in the fridge overnight, then blend briefly again to bring back the texture.
Meal prep tip: Freeze pre-portioned smoothie packs — sliced banana, cocoa, and a pinch of salt in a bag — so all you add in the morning is milk and yogurt.
From My Kitchen to Yours
This is the recipe I make when I need something warm and real, even when it’s technically cold.
Tag me on Instagram @eatwithmellow or leave a star rating below.
If you love this, try our protein-packed banana protein shake or our spoonable chocolate banana smoothie bowl next!
Love, Lily 🍌
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Banana Chocolate Smoothie
Equipment
- Blender
- Measuring cups and spoons
- Tall serving glass
Ingredients
WET INGREDIENTS
- 1 large frozen banana sliced or 1½ medium, about 150g
- ¾ cup milk of choice 180ml — almond, oat or whole
- ¼ cup plain Greek yogurt 60g
- 1 tsp maple syrup or honey optional
- ½ tsp pure vanilla extract
DRY INGREDIENTS
- 1 to 1½ tbsp unsweetened cocoa powder 8–10g
- 1 small pinch sea salt
TOPPINGS (Optional)
- Mini dark chocolate chips or cacao nibs optional
Instructions
- Pour the milk, yogurt, maple syrup, and vanilla into the blender.
- Add the cocoa powder and salt, then layer the frozen banana slices on top.
- Blend on high for 60 seconds, until smooth, thick, and deep chocolate in color.
- Adjust with 1–2 tbsp more milk if too thick, and pulse briefly.
- Serve immediately in a tall glass, topped with chocolate shards or a dusting of cocoa.
Notes
