
A creamy, decadent smoothie that tastes like a peanut butter cup — vegan, dairy-free, and ready in minutes using frozen fruit and oat milk.

This smoothie has been my go-to treat on busy mornings and mid-afternoon slumps. I discovered this combination during a week when I had ripe bananas and a craving for something chocolatey but still wholesome — the result was an instant favorite. It balances the mellow sweetness of banana and mango with rich cocoa and the savory depth of peanut butter, producing a texture that's thick and scoopable yet drinkable through a wide straw. It tastes indulgent, like a dessert disguised as breakfast, and it always brings a smile when I hand it to my partner on the way out the door.
I first made this version using store-bought frozen fruit and a carton of oat milk, and the simplicity won me over: no added ice, no extra sweeteners needed, and very little cleanup. The frozen banana makes the base luxuriously creamy while the frozen mango adds a bright, tropical lift that keeps the chocolate-peanut combo from feeling heavy. I love that it’s adaptable — swap in almond milk or a different nut butter and you’ll land on another excellent iteration. This is the sort of smooth, dependable recipe that becomes a small ritual: quick, nourishing, and utterly satisfying.
In my house this recipe quickly replaced boxed smoothies. My teenager asked for it every morning during finals week — it became his study fuel. Friends who expect dessert at brunch are always surprised when I serve this as a healthy-ish treat; it feels celebratory without being complicated.
 
 
My favorite part of this combination is how the mango brightens the chocolate-peanut pairing — it keeps the drink lively and less cloying. Family and friends often comment that it tastes like a grown-up chocolate shake, and it’s one of those simple recipes I always return to when I want something comforting but quick.
For best quality, drink immediately. If you must store, pour into a sealed glass jar and refrigerate for up to 24 hours; expect separation and a thinner texture — shake or re-blend before serving. For longer storage, freeze in portions (silicone molds or mason jars) for up to 3 months. To enjoy later, thaw in the fridge for 20–30 minutes and re-blend with a splash of oat milk to revive creaminess. Avoid leaving at room temperature for extended periods; the banana and mango will start to soften and the texture will degrade.
If you’re nut-free, use sunflower seed butter instead of peanut butter — flavor is slightly earthier but still excellent. Swap oat milk for almond, soy, or coconut milk; coconut milk will lend a more tropical richness while unsweetened almond milk lowers calories. For chocolate intensity, use 2 tablespoons of cocoa powder or add 1 teaspoon of cacao powder. If you’d like it sweeter, swap the 1/2 teaspoon maple syrup for 1 tablespoon of maple syrup or a pitted medjool date soaked briefly in warm water and blended in.
Serve in a tall glass with a wide straw, or transfer to a bowl and top with toasted oats, cacao nibs, sliced banana, and a little extra peanut butter for a smoothie bowl experience. Pair with a handful of nuts or a slice of whole-grain toast for a balanced breakfast. For brunch, offer granola and fresh berries on the side — guests love customizing their bowls. Garnish ideas: a light dusting of cocoa powder, crushed roasted peanuts, or a small mint leaf for contrast.
This blend draws on classic American flavor affinities — peanut butter and chocolate are staples in U.S. desserts (think peanut butter cups). Smoothies as a concept are global, but this specific pairing reflects pantry-driven comfort food culture: combining locally common ingredients (banana, peanut butter) with tropical mango creates a cross-cultural balance between familiar flavors and fruit-forward freshness. Variants of chocolate-nut blends appear in many cuisines as energy snacks and post-workout treats.
In summer, swap frozen mango for frozen strawberries or cherries for a brighter, tangier profile. In winter, add a pinch of cinnamon and use roasted peanut butter for a warm, toasty note. For holiday indulgence, stir in a splash of espresso or a teaspoon of peppermint extract to create a mocha or festive twist. The core formula — fruit + chocolate + nut butter + milk — adapts well to seasonal fruit and flavorings.
Pre-portion the dry ingredients (cocoa powder and peanut butter in a small container) and pack frozen banana and mango in single-serve freezer bags. In the morning, dump the bag contents into the blender with 1 cup oat milk and blend. For grab-and-go breakfasts, freeze completed smoothies in travel-safe containers; thaw overnight in the fridge and give a quick shake or blender refresh before drinking. Use labeled, stackable silicone containers to save space in the freezer.
This smoothie is simple comfort: fast to make, easy to tweak, and reliably loved by family and friends. Try it once, then experiment with swaps and toppings to make it your signature cup.
Freeze bananas at peak ripeness for maximum sweetness and creaminess.
Add liquids first in the blender to prevent dry ingredients from clumping.
Pulse briefly before full blending to help large frozen chunks break down.
For thicker texture, use less oat milk or add extra frozen fruit; for thinner, add 1–2 tablespoons more milk.
This nourishing easy peanut butter cup smoothie recipe is sure to be a staple in your kitchen. Enjoy every moist, high protein slice — it is perfect for breakfast or as a wholesome snack any time.
Yes — use any plant-based milk. Oat milk gives the creamiest mouthfeel; unsweetened almond milk will reduce calories.
Freeze in airtight containers for up to 3 months. Thaw slightly and re-blend for best texture.
This Easy Peanut Butter Cup Smoothie recipe makes perfectly juicy, tender, and flavorful steak every time! Serve with potatoes and a side salad for an unforgettable dinner in under 30 minutes.

Collect all listed ingredients and ensure the banana and mango are frozen solid. Prepare your blender and measuring tools.
Pour oat milk into the blender first, then add maple syrup, peanut butter, and cocoa powder. Top with frozen banana and mango pieces to ensure even blending.
Secure the lid and pulse 2–3 times to break up large chunks. Blend on high for 30 seconds to 1 minute until completely smooth, stopping to scrape the sides if necessary.
If too thick, add oat milk 1–2 tablespoons at a time and blend briefly. If too thin, add a few frozen fruit pieces and blend until desired consistency is reached.
Pour into a glass or bowl and garnish as desired. Serve immediately for optimal flavor and texture.
Refrigerate leftovers for up to 24 hours or freeze in portions for up to 3 months; re-blend after thawing.
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This recipe looks amazing! Can't wait to try it.
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