Recipe

Peanut Butter Smoothie

A thick, creamy peanut butter smoothie with banana and yogurt, balanced with vanilla and a pinch of salt for that “wait, wow” flavor.

By Matt Campbell

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4.8

A tall glass of thick peanut butter banana smoothie on a light kitchen counter with a straw, soft natural morning light

Jump to Recipe

If you want a smoothie that drinks like dessert but behaves like breakfast, this peanut butter smoothie is the move. It’s creamy, cozy, and just sweet enough, with a little pinch of salt that makes the peanut butter taste louder in the best way.

I keep it simple on purpose: banana for body, yogurt for tang, milk for blendability, and peanut butter for that rich, toasty, nutty goodness. From there, you can take it anywhere, like chocolate, coffee, berries, extra protein, you name it.

Peanut butter, banana, yogurt, milk, vanilla, and ice arranged on a bright kitchen counter ready for blending

Why It Works

Thick and creamy texture: Frozen banana and yogurt do the heavy lifting so it feels like a shake, not flavored milk.
Big peanut butter flavor: A full two tablespoons plus a pinch of salt makes it taste like peanut butter, not “hint of peanut.”
Balanced sweetness: Banana provides most of the sweetness so you can skip added sugar, or add a drizzle of honey if you want it dessert-level.
Flexible: Works with dairy or non-dairy, smooth or crunchy peanut butter, and easy add-ins like cocoa, oats, or protein powder.

Pairs Well With

Storage Tips

Smoothies are best right after blending, but real life happens. Here’s how to save it without ending up with a weird separated science experiment.

Fridge

Pour into a jar with a tight lid and refrigerate promptly. For best texture, enjoy within 12 to 24 hours.
It will separate. That’s normal. Shake hard or re-blend with a few ice cubes.

Freezer (best option)

Freeze in a freezer-safe jar (leave some space at the top) up to 2 months, though it’s best within 1 month for freshest flavor.
Thaw overnight in the fridge, then re-blend.

Make-ahead smoothie packs

Portion frozen banana slices into a bag. Add optional extras like cocoa or oats.
When ready, dump into the blender with milk, yogurt, and peanut butter.

Common Questions

How do I make it thicker?

Use a frozen banana, add a few more ice cubes, or swap some milk for more yogurt. If it still feels thin, add 1 tablespoon oats and blend again.

How do I make it thinner?

Add milk 1 to 2 tablespoons at a time and blend. Peanut butter can thicken slightly as it sits, so it’s best enjoyed fairly soon.

Can I make this without yogurt?

Yes. Replace the yogurt with more milk plus 2 to 3 tablespoons of rolled oats, or use a spoonful of cottage cheese for creaminess and protein.

What peanut butter is best?

Any works. Natural peanut butter tastes extra roasted, but it can be a little less sweet. If it’s very stiff from the fridge, let it sit 5 minutes so it blends easier.

Can I add protein powder?

Absolutely. Add 1 scoop and increase the milk slightly. Protein powders vary, so start with an extra 1/4 cup milk and adjust.

Is this smoothie kid-friendly?

Yes, just keep an eye on sweetness. If your bananas aren’t super ripe, add 1 to 2 teaspoons honey or maple syrup. Avoid honey for kids under 1 year old. And of course, skip if there’s a peanut allergy.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Blender (any standard blender works, high-speed makes it extra smooth)
Measuring cups and spoons
Spatula (for scraping peanut butter out of the measuring spoon)
Glass or to-go cup

This is my “I need food but I don’t want a whole situation” recipe. It’s what I make when the kitchen’s a mess, the day is already moving too fast, and I still want something that tastes like I tried. The pinch of salt is my favorite little trick here. It turns peanut butter from sweet to deep, like the flavor got a new bass line.