Peanut Butter Banana Protein Smoothie – Creamy, Satisfying, and Easy
If you want a smoothie that actually keeps you full, this Peanut Butter Banana Protein Smoothie hits the mark. It’s creamy, slightly sweet, and takes just minutes to blend. Think of it as a balanced breakfast, a post-workout boost, or a late-afternoon pick-me-up that won’t leave you hungry.
With simple ingredients and a familiar flavor combo, it’s easy to love and even easier to customize. No fuss, no fancy steps—just real, tasty fuel.

Ingredients
Method
- Add liquids first. Pour the milk into your blender. This helps the blades move smoothly and prevents clumping.
- Add the banana. Use a ripe banana for sweetness. If you want a thicker, ice-cream-like texture, use a frozen banana.
- Scoop in the protein powder. Choose a flavor that complements peanut butter. Vanilla, chocolate, or unflavored all work well.
- Add peanut butter. Drop in two tablespoons. If you’re counting calories, start with one and adjust later.
- Season it. Add vanilla, a pinch of cinnamon, and a tiny pinch of salt if using. These small touches make a big difference.
- Ice goes last. Add the ice on top. This keeps it from jamming the blades at the start.
- Blend until smooth. Start low, then increase to high. Blend 30–45 seconds until creamy and no chunks remain.
- Taste and adjust. If it’s too thick, add more milk. If you want it sweeter, add a touch of honey or maple. Blend again for a few seconds.
- Serve right away. Pour into a chilled glass for the best texture.
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Get Your Program TodayWhy This Recipe Works

This smoothie brings together a few powerful ingredients that play well together. Bananas add natural sweetness and a silky texture, so you don’t need extra sugar.
Peanut butter brings richness and healthy fats, which make the smoothie more filling. A scoop of protein powder rounds it out and helps with muscle recovery after exercise. Blend it with milk and ice, and you’ve got a thick, satisfying drink that feels like a treat but performs like a meal.
What You’ll Need
- 1 ripe banana (fresh or frozen)
- 2 tablespoons peanut butter (creamy or crunchy)
- 1 scoop vanilla or unflavored protein powder (whey or plant-based)
- 1 cup milk (dairy or unsweetened almond, oat, or soy milk)
- 1/2 cup ice (use more for a thicker smoothie)
- 1/2 teaspoon vanilla extract (optional, for extra flavor)
- Pinch of cinnamon (optional, adds warmth)
- Honey or maple syrup to taste (optional, usually not needed if the banana is ripe)
- Pinch of salt (optional, enhances the peanut flavor)
Instructions

- Add liquids first. Pour the milk into your blender.
This helps the blades move smoothly and prevents clumping.
- Add the banana. Use a ripe banana for sweetness. If you want a thicker, ice-cream-like texture, use a frozen banana.
- Scoop in the protein powder. Choose a flavor that complements peanut butter. Vanilla, chocolate, or unflavored all work well.
- Add peanut butter. Drop in two tablespoons.
If you’re counting calories, start with one and adjust later.
- Season it. Add vanilla, a pinch of cinnamon, and a tiny pinch of salt if using. These small touches make a big difference.
- Ice goes last. Add the ice on top. This keeps it from jamming the blades at the start.
- Blend until smooth. Start low, then increase to high.
Blend 30–45 seconds until creamy and no chunks remain.
- Taste and adjust. If it’s too thick, add more milk. If you want it sweeter, add a touch of honey or maple. Blend again for a few seconds.
- Serve right away. Pour into a chilled glass for the best texture.
Keeping It Fresh
This smoothie tastes best right after blending, when it’s frothy and cold.
If you need to make it ahead, store it in a sealed jar in the fridge for up to 24 hours. Give it a good shake before drinking, as it may separate. For meal prep, you can also portion the banana, peanut butter, and seasonings into freezer bags.
In the morning, dump a bag into the blender with milk, protein powder, and ice, then blend and go.
Health Benefits
- Balanced macros: Protein from powder and peanut butter supports muscle repair. Healthy fats keep you full, and carbs from banana provide quick energy.
- Potassium and fiber: Bananas bring potassium for heart and muscle function, plus fiber for digestion and steady energy.
- Satiating fats: Peanut butter offers monounsaturated fats that support heart health and help prevent mid-morning hunger.
- Customizable nutrition: You can tailor the protein type, milk choice, and sweetness to fit your goals—higher protein, dairy-free, or lower sugar.
Pitfalls to Watch Out For
- Too much sugar: Sweetened protein powders and sweetened milks can push sugar higher than you expect. Choose unsweetened milk and taste before adding honey.
- Overloading calories: Peanut butter is calorie-dense.
Stick to measured tablespoons if you’re tracking your intake.
- Chalky texture: Some protein powders can taste gritty. Blend longer, add a little more milk, or switch brands if needed.
- Thin or watery result: Use a frozen banana or more ice for thickness. If it’s still thin, reduce the milk slightly.
- Allergens: Peanut butter and dairy are common allergens.
See the variations below for easy swaps.
Variations You Can Try
- Chocolate Peanut Butter: Use chocolate protein powder or add 1 tablespoon unsweetened cocoa powder.
- Green Boost: Add a handful of baby spinach. It disappears into the flavor but adds nutrients.
- Oats and Flax: Blend in 1/4 cup rolled oats and 1 tablespoon ground flaxseed for extra fiber and staying power.
- Peanut-Free: Swap peanut butter for almond butter, cashew butter, or sunflower seed butter for a nut-free option.
- High-Protein Greek Yogurt: Add 1/4–1/2 cup plain Greek yogurt and reduce the milk slightly for a thicker, tangy profile.
- Espresso Kick: Add 1 shot of cooled espresso or 1 teaspoon instant espresso powder for a mocha-like twist.
- Dessert-Style: Add a pinch of sea salt and a few dark chocolate chips. Keep portions small if you’re watching sugar.
- Low-Sugar: Use half a banana and add frozen cauliflower rice to keep the creaminess with fewer carbs.
FAQ
Can I make this smoothie without protein powder?
Yes.
Use Greek yogurt for protein, or add 2 tablespoons of hemp seeds or 3 tablespoons of powdered peanut butter. The flavor stays familiar, and you’ll still get a good protein boost.
Is this smoothie good for weight loss?
It can be, especially if you use measured portions and keep added sugars low. Focus on a single banana, 1–2 tablespoons of peanut butter, unsweetened milk, and a clean protein powder.
It’s satisfying and can help curb snacking between meals.
What kind of milk works best?
Any unsweetened milk works. Dairy milk adds creaminess and more protein. Almond milk is light and low-calorie.
Soy and pea milks have higher protein if you’re dairy-free. Choose what fits your goals and taste.
How do I make it thicker?
Use a frozen banana, add more ice, or blend in 1/4 cup oats or 1/4 avocado. You can also cut the milk back by a couple of tablespoons.
Can I use powdered peanut butter?
Yes, it lowers the calories and fat while keeping the flavor.
Start with 2–3 tablespoons of powdered peanut butter and add a small splash more milk if needed.
What’s the best protein powder for this recipe?
Choose a powder you enjoy and that agrees with your digestion. Whey blends smoothly and tastes creamy. Plant-based options like pea, rice, or soy work too.
Vanilla, chocolate, or unflavored pair best with banana and peanut butter.
How do I make it kid-friendly?
Skip the protein powder, use regular milk or yogurt, and keep the flavors simple. A small drizzle of honey can help if the banana isn’t very ripe.
Can I prep it the night before?
Yes. Blend and store in a sealed jar in the fridge.
Shake well before drinking. For the best texture, consider prepping ingredients ahead and blending fresh in the morning.
Final Thoughts
This Peanut Butter Banana Protein Smoothie is a simple formula that just works. It’s creamy, satisfying, and easy to tailor to your needs—more protein, fewer carbs, dairy-free, or just a little more indulgent.
Keep a few ripe bananas on hand, and you’ve got a reliable, go-to option for busy mornings or post-workout recovery. Blend, sip, and enjoy the kind of smoothie that keeps you going.
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