Protein Peanut Butter Cup Shake
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This thick, chocolatey Peanut Butter Cup Protein Shake tastes rich and indulgent like a milkshake but blends up in minutes with macros that actually support your goals.
Want something macro-friendly that looks and tastes like dessert, but you dont want to throw off your macros.
It pours thick, holds its shape, and looks just as good as it tastes.
Peanut butter cups have always been my weakness, and most protein shakes that claim to taste like them… don’t.
This shake delivers real flavor, real texture, and serious protein without blowing your carb budget.
Why You Will Love This Recipe
- Tastes like a peanut butter cup milkshake, not a “diet” shake
- Packs 42 grams of protein in a single serving
- Thick, creamy texture without ice cream or banana
- Made with simple, easy-to-find low-carb ingredients
- Ready in under five minutes from blender to glass
- Customizable for stricter keto or lower fat goals
- Satisfying enough to replace a meal or curb dessert cravings
This Peanut Butter Cup Protein Shake is low calorie, high protein, and lower carb compared to traditional milkshakes.
It’s naturally gluten-free, easy to make ahead, and works well for meal prep.
Depending on the brands you use, net carbs stay reasonable thanks to sugar-free syrup, almond milk, and powdered peanut butter.
It stores well in the fridge for short periods and can even be partially prepped for busy mornings.
Ingredients You Need
Ice
Ice gives this shake its milkshake-thick texture. Skipping it will result in a thin drink, so don’t reduce it unless you prefer a looser consistency.
Unsweetened Almond Milk
Keeps carbs low while adding creaminess. Do not substitute with regular milk if you’re watching carbs. Coconut milk beverage works but adds more fat.
Fat-Free Vanilla Greek Yogurt
Adds thickness and a slight tang that balances the sweetness. Full-fat yogurt will change the macros and make the shake heavier.
Chocolate Whey Protein Powder
This provides structure, sweetness, and most of the protein. A whey-casein blend works, but plant protein will alter texture and may need more liquid.
Powdered Peanut Butter (PB Fit)
This is critical for flavor without excess fat. Regular peanut butter alone will not give the same peanut butter cup flavor balance.
Zero-Calorie Sweetener
Adjust to taste. Liquid sweeteners blend best and avoid graininess.
Xanthan Gum
Essential for thickness. Even a small amount turns this from a drink into a milkshake. Too much will make it gummy, so measure carefully.
Sugar-Free Chocolate Syrup
Used for lining the glass and adding chocolate flavor without added sugar. Regular syrup will significantly increase carbs.
Whipped Cream
Optional but adds a classic milkshake finish. Use lightly to keep calories in check.
Melted Peanut Butter
Just a teaspoon is enough for aroma and visual appeal. More will overpower the shake.
Crushed Mini Peanut Butter Cup
Optional garnish. You can omit it for stricter keto or lower carbs without affecting the base shake.
Step-by-Step Directions
Add ice, almond milk, Greek yogurt, chocolate whey protein, powdered peanut butter, sweetener, and xanthan gum to a high-speed blender.
Blend on high until completely smooth. The mixture should be thick but still pourable. If it looks thin, blend a few seconds longer.
Drizzle sugar-free chocolate syrup around the inside of your serving glass.
Pour the shake into the glass slowly to maintain the chocolate swirl.
Top with whipped cream, melted peanut butter, and crushed peanut butter cup if using. Serve immediately.
Tips for Success
- Measure xanthan gum carefully. The first time I tested this, I added too much and ended up with a spoon-standing gel instead of a shake.
- Always blend fully before adjusting thickness. The shake thickens slightly after blending.
- Use very cold ingredients for the best milkshake texture.
- Do not replace powdered peanut butter with only regular peanut butter unless you’re prepared for higher fat and calories.
- If your blender struggles, add a splash of almond milk, but do so slowly to avoid thinning it out.
Frequently Asked Questions
How many net carbs are in this Peanut Butter Cup Protein Shake?
Net carbs vary by brand, but this shake is lower carb thanks to almond milk, sugar-free syrup, and powdered peanut butter. Subtract fiber from total carbs to calculate net carbs accurately.
Can I make this shake ahead of time?
Yes. Store it in a sealed container in the fridge for up to 24 hours. Shake well before drinking, as it will thicken while sitting.
Can I freeze this protein shake?
You can freeze it in portions and re-blend when ready to drink. Texture may change slightly but flavor remains intact.
What protein powder works best?
Chocolate whey gives the creamiest texture. Plant-based protein works but may require extra liquid and sweetener.
Peanut Butter Cup Protein Shake (Low Carb, Under 350 Calories)
Ingredients
Method
- Blend ice, almond milk, yogurt, protein powder, powdered peanut butter, sweetener, and xanthan gum until smooth and thick.
- Line a glass with sugar-free chocolate syrup.
- Pour shake into glass and add toppings if desired.
Notes
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