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This fun birthday cake shake is the perfect way to celebrate at home—creamy, rich, and easy to make!

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My kids love visiting the local Soda Jerk Milkshake Bar and similar places in Scottsdale. Their over-the-top milkshakes are fun and delicious, but at $14+ each, they’re a bit pricey as a “just because” treat.

But that doesn’t mean we can’t still enjoy them!

Today, I wanted to share an easy base shake recipe that recreates Aubrey and Owen’s favorite flavors of fun milkshakes, but in a way that anyone can make quickly!

What Is a Cake Shake?

So what exactly is a cake shake? Think of it as a milkshake’s more fun, over-the-top cousin. Instead of just ice cream and milk, you toss in actual cake (yep, frosting and all) and blend it all together. The result? A creamy, sweet drink that’s basically dessert in a glass.

The best part is you don’t need anything fancy to make it. Leftover birthday cake? Perfect. A couple of cupcakes? Even better. Just blend them with a few scoops of ice cream and a splash of milk, and suddenly you’ve got this decadent “cake shake” that feels like something straight off a restaurant menu.

If you’ve ever heard of Portillo’s famous chocolate cake shake, that’s the idea—they literally blend in a whole slice of cake. But you don’t need to live near Portillo’s to enjoy it. You can recreate the same thing at home with whatever cake flavor your family loves.

In short, a cake shake is your milkshake’s glow-up. It’s fun, it’s indulgent, and it’s one of those treats that will have your kids (and let’s be honest, yourself) asking, “Wait, can we make that again tomorrow?”

This birthday cake shake is a dreamy, over-the-top dessert that tastes like your favorite milkshake from a stand, but it’s made right at home. With rich vanilla flavor, whipped cream, and real cake on top, this fun shake is a perfect sweet treat for birthdays, celebrations, or just because.

Can’t Find a Mini Cake? Use Cupcakes!

If your grocery store or Walmart doesn’t have the small $5 cake, no worries. You can easily swap in one or two frosted cupcakes. You can either use a whole cupcake per shake or cut one in half and place it on top of the whipped cream instead. You’ll get the same fun look and flavor without needing to buy a whole cake.

Tips for Getting the Cake to Stay on Top

Wondering how to balance the cake on your milkshake? Try laying a clean popsicle stick or wooden skewer across the glass and resting the cake on top. It’s a super easy hack that works especially well with taller slices or larger cupcakes.

Want to Make It Chocolate Instead?

To turn this into a chocolate cake shake, simply substitute chocolate ice cream for vanilla, use chocolate frosting, and top with chocolate cake. Drizzle with chocolate sauce or hot fudge for a decadent twist on the original.

Pro Tips for the Best Birthday Cake Milkshake

• Use a high-speed blender to make sure everything mixes smoothly.
• Don’t skip the frosting in the shake—it really helps mimic the cake batter milkshake flavor.
• Serve right away for the best consistency. This milkshake doesn’t store well for later.
• Try Funfetti cake mix if you’re baking your own mini cake or cupcakes—it adds color and extra fun.
  

This birthday cake shake is a delicious treat that brings celebration vibes without leaving home. Whether you’re serving it up for a birthday, holiday, or just for fun during summer break, it’s a great idea that’s quick to make and totally worth the whipped cream mustache.

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