Name: Birthday Cake Batter Whey
Brand: Flex
SKU: BirthdayCakeBatterWhey
Price: 29.00 USD
Availability: OutOfStock
Rating: 4.9 (18 reviews)

Packed with Protein

New to Protein Cookie Butter?

Ever wish your healthy foods could taste like dessert? That’s what Protein Cookie Butter does. We created a concentrated protein powder alternative that transforms everything it touches. From yogurt to oatmeal, your food will taste like your favorite treats (all while keeping you on track with your health goals). Mix it with water for a spread, stir it into snacks, or bake with it. However you use it, you're about to make healthy eating a whole lot more delicious. It’s quite literally the future of flavor. Welcome 🙌

Our Flavors Are Always a Hit!

★★★★★
"Love it!! YUM!! Will buy again for sure :)"

Kirsten C.
★★★★★
"Best protein powder on the market"

Andrew
★★★★★
"Absolutely love these cookie butter powders! They make dieting so much easier and delicious! I can never be without them!"

Kayla R.
★★★★★
"This is the first protein powder I've tried that tastes amazing and nothing like your usual powders."

Kristina R.
★★★★★
"Now I'm sitting on the website waiting for more stock to open up so I can snatch them up. Mine, all mine..."

Jen R.
★★★★★
"I can never keep it stocked up in my house, my fiancé loves it too!!"

Kelsey M.
★★★★★
"Going through 4+ tubs a week is a lot lol; my Amazon order history is cookie butter after cookie butter"

Delanie B.
★★★★★
"I finish approximately 1 tub of cookies and cream protein cookie butter every two days... I get anxiety if I don't have at least three tubs stockpiled in my cabinet"

Sonali P.
★★★★★
"I get a shipment of around 5 tubs every few weeks!"

Katie S.
★★★★★
"Love it!! YUM!! Will buy again for sure :)"

Kirsten C.
★★★★★
"Best protein powder on the market"

Andrew
★★★★★
"Absolutely love these cookie butter powders! They make dieting so much easier and delicious! I can never be without them!"

Kayla R.
★★★★★
"This is the first protein powder I've tried that tastes amazing and nothing like your usual powders."

Kristina R.
★★★★★
"Now I'm sitting on the website waiting for more stock to open up so I can snatch them up. Mine, all mine..."

Jen R.
★★★★★
"I can never keep it stocked up in my house, my fiancé loves it too!!"

Kelsey M.
★★★★★
"Going through 4+ tubs a week is a lot lol; my Amazon order history is cookie butter after cookie butter"

Delanie B.
★★★★★
"I finish approximately 1 tub of cookies and cream protein cookie butter every two days... I get anxiety if I don't have at least three tubs stockpiled in my cabinet"

Sonali P.
★★★★★
"I get a shipment of around 5 tubs every few weeks!"

Katie S.
★★★★★
"Love it!! YUM!! Will buy again for sure :)"

Kirsten C.
★★★★★
"Best protein powder on the market"

Andrew
★★★★★
"Absolutely love these cookie butter powders! They make dieting so much easier and delicious! I can never be without them!"

Kayla R.
★★★★★
"This is the first protein powder I've tried that tastes amazing and nothing like your usual powders."

Kristina R.
★★★★★
"Now I'm sitting on the website waiting for more stock to open up so I can snatch them up. Mine, all mine..."

Jen R.
★★★★★
"I can never keep it stocked up in my house, my fiancé loves it too!!"

Kelsey M.
★★★★★
"Going through 4+ tubs a week is a lot lol; my Amazon order history is cookie butter after cookie butter"

Delanie B.
★★★★★
"I finish approximately 1 tub of cookies and cream protein cookie butter every two days... I get anxiety if I don't have at least three tubs stockpiled in my cabinet"

Sonali P.
★★★★★
"I get a shipment of around 5 tubs every few weeks!"

Katie S.
★★★★★
"Love it!! YUM!! Will buy again for sure :)"

Kirsten C.
★★★★★
"Best protein powder on the market"

Andrew
★★★★★
"Absolutely love these cookie butter powders! They make dieting so much easier and delicious! I can never be without them!"

Kayla R.
★★★★★
"This is the first protein powder I've tried that tastes amazing and nothing like your usual powders."

Kristina R.
★★★★★
"Now I'm sitting on the website waiting for more stock to open up so I can snatch them up. Mine, all mine..."

Jen R.
★★★★★
"I can never keep it stocked up in my house, my fiancé loves it too!!"

Kelsey M.
★★★★★
"Going through 4+ tubs a week is a lot lol; my Amazon order history is cookie butter after cookie butter"

Delanie B.
★★★★★
"I finish approximately 1 tub of cookies and cream protein cookie butter every two days... I get anxiety if I don't have at least three tubs stockpiled in my cabinet"

Sonali P.
★★★★★
"I get a shipment of around 5 tubs every few weeks!"

Katie S.
★★★★★
"Love it!! YUM!! Will buy again for sure :)"

Kirsten C.
★★★★★
"Best protein powder on the market"

Andrew
★★★★★
"Absolutely love these cookie butter powders! They make dieting so much easier and delicious! I can never be without them!"

Kayla R.
★★★★★
"This is the first protein powder I've tried that tastes amazing and nothing like your usual powders."

Kristina R.
★★★★★
"Now I'm sitting on the website waiting for more stock to open up so I can snatch them up. Mine, all mine..."

Jen R.
★★★★★
"I can never keep it stocked up in my house, my fiancé loves it too!!"

Kelsey M.
★★★★★
"Going through 4+ tubs a week is a lot lol; my Amazon order history is cookie butter after cookie butter"

Delanie B.
★★★★★
"I finish approximately 1 tub of cookies and cream protein cookie butter every two days... I get anxiety if I don't have at least three tubs stockpiled in my cabinet"

Sonali P.
★★★★★
"I get a shipment of around 5 tubs every few weeks!"

Katie S.

FAQ

Find the most frequently asked questions below.

It's a concentrated protein powder blend that adds both flavor and protein to your food. Think of it as a flavor enhancer that transforms basic foods into dessert-like treats, while helping you hit your protein goals.
Mix it with water for a spread, stir it into Greek yogurt, blend it in smoothies, or add it to oatmeal - those are just the basics! You can also bake with it, make protein ice cream, or use it in any recipe that could use a flavor boost.
Not at all! We've specifically formulated this to be a versatile flavor enhancer that dissolves completely and creates authentic dessert tastes. Unlike typical protein powders, it's designed to mix perfectly into both dry and wet ingredients without any chalky texture or artificial aftertaste and bakes perfectly!
Each 2 Tbsp serving packs 6g - 9g of protein with minimal calories. It's the perfect way to boost your protein intake without compromising on taste or adding excessive calories!
Absolutely! Protein Cookie Butter was made with baking in mind. It works beautifully in everything from protein brownies to pancakes to mug cakes. The powder maintains its flavor and texture when baked, making it perfect for creating healthier versions of your favorite baked goods.
Join our Flex community! Follow us on Instagram (@flex_brands) and sign up for our newsletter to get the latest updates on new flavors, product drops, and exclusive offers.

It's a concentrated protein powder blend that adds both flavor and protein to your food. Think of it as a flavor enhancer that transforms basic foods into dessert-like treats, while helping you hit your protein goals.
Not at all! We've specifically formulated this to be a versatile flavor enhancer that dissolves completely and creates authentic dessert tastes. Unlike typical protein powders, it's designed to mix perfectly into both dry and wet ingredients without any chalky texture or artificial aftertaste and bakes perfectly!
Absolutely! Protein Cookie Butter was made with baking in mind. It works beautifully in everything from protein brownies to pancakes to mug cakes. The powder maintains its flavor and texture when baked, making it perfect for creating healthier versions of your favorite baked goods.

Mix it with water for a spread, stir it into Greek yogurt, blend it in smoothies, or add it to oatmeal - those are just the basics! You can also bake with it, make protein ice cream, or use it in any recipe that could use a flavor boost.
Each 2 Tbsp serving packs 6g - 9g of protein with minimal calories. It's the perfect way to boost your protein intake without compromising on taste or adding excessive calories!
Join our Flex community! Follow us on Instagram (@flex_brands) and sign up for our newsletter to get the latest updates on new flavors, product drops, and exclusive offers.

Birthday Cake Batter Whey

New to Protein Cookie Butter?

Our Flavors Are Always a Hit!

FAQ

Make Something Great

Our newest limited flavor

Peanut Nutter Cookie

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Header 2025

New to Protein Cookie Butter?

Our Flavors Are Always a Hit!

FAQ

What exactly is Protein Cookie Butter?

How do I use it?

Is this just protein powder with flavoring?

How much protein does it have per serving?

Can I bake with it?

How do I stay updated on new flavors?

What exactly is Protein Cookie Butter?

Is this just protein powder with flavoring?

Can I bake with it?

How do I use it?

How much protein does it have per serving?

How do I stay updated on new flavors?

Make Something Great

Peanut Nutter Cookie

Your cart -