Cake Batter Protein Shake

If you love sweet, creamy shakes that taste like birthday cake but still pack a protein punch, this Cake Batter Protein Shake is for you! It’s thick, smooth, and has that classic vanilla cake flavor—but without all the sugar.

Perfect for post-workout, breakfast, or when you just want a fun treat that’s secretly good for you.

Let’s blend up some birthday vibes!

A vibrant, ultra close-up shot of a thick, creamy Cake Batter Protein Shake in a clear glass, topped with whipped cream and colorful rainbow sprinkles. The shake has a smooth, velvety texture with a pastel vanilla hue, and condensation lightly forms on the glass, emphasizing its cold, refreshing quality. The background features a luxurious white marble countertop with subtle gold veining, creating a clean, elegant aesthetic. All-natural lighting casts a soft glow, highlighting the details, and the shot is taken with an iPhone 15 Pro for crisp, high-quality detail. The text "Cake Batter Protein Shake" is positioned at the top in a bold, modern sans-serif font with playful handwritten script accents. The words have a soft pastel color palette with subtle outlines, ensuring they pop against the clean background while maintaining a cohesive, visually appealing look. The composition feels inviting and celebratory, capturing the essence of a birthday treat in a healthy shake.

What You’ll Need

1 cup milk (dairy or non-dairy)
1 scoop vanilla protein powder
½ frozen banana (for extra creaminess)
1 tbsp almond flour or oat flour (for that cake batter texture!)
½ tsp butter extract (the secret to real cake flavor!)
½ tsp vanilla extract
1 tbsp sugar-free vanilla pudding mix (optional, but makes it extra thick!)
½ cup ice cubes
1 tbsp rainbow sprinkles (for fun! 🎉)

For Toppings (Optional but Highly Recommended!):

Whipped cream
Extra rainbow sprinkles

Pro Tips

Use frozen banana! It makes the shake extra thick and creamy.
Want it even thicker? Add ½ cup Greek yogurt or more ice.
Make it dairy-free! Use almond, oat, or coconut milk.
No butter extract? Use a tiny bit of melted butter or coconut oil for richness.
More protein? Add a spoonful of cottage cheese—it blends perfectly!

Tools You’ll Need

Blender
Tall glass
Spoon for sprinkling

Substitutions & Variations

No protein powder? Use ½ cup Greek yogurt instead.
Want it sweeter? Add ½ tbsp honey or maple syrup.
Extra indulgent? Blend in ½ tbsp white chocolate chips!

Instructions

Step 1: Rim the Glass (Optional but Fun!)

Dip the rim of the glass in water, then coat it with rainbow sprinkles.

a glass rim being dipped into a small plate of water, followed by a swirl in colorful rainbow sprinkles, creating a fun, festive edge

Step 2: Add Ingredients to Blender

In a blender, add milk, vanilla protein powder, banana, almond flour, butter extract, vanilla extract, vanilla pudding mix, and ice cubes.

a blender filled with creamy milk, a scoop of vanilla protein powder, a frozen banana slice, fine almond flour, golden butter extract, clear vanilla extract

Step 3: Blend Until Smooth

Blend on high for 30 seconds until thick and creamy.

a blender mid-blend, the vanilla cake batter smoothie swirling into a smooth, thick mixture with tiny flecks of sprinkles visible

Step 4: Pour Into Glass

Pour the thick shake into the prepared glass.

a thick, pastel-colored Cake Batter Protein Shake being poured from a blender into a sprinkle-rimmed glass, filling it to the top

Step 5: Garnish & Serve

Top with whipped cream and extra rainbow sprinkles!

a Cake Batter Protein Shake topped with a swirl of fluffy whipped cream, colorful rainbow sprinkles scattered over the top, and a pastel-striped straw resting inside the glass

Leftovers & Storage

Best enjoyed fresh!
If making ahead, store in the fridge for up to 24 hours and shake before drinking.

Wrap-Up

And that’s it—your Cake Batter Protein Shake is ready to sip! It’s sweet, creamy, and packed with birthday cake flavor, all while giving you a protein boost. Try it out, take a pic, and let me know how it turned out. Cheers! 🎂🥤✨