Magic Spoon
Birthday Cake
TL:DR
In 2 Sentences
A crispy, cereal‑treat texture with plant‑colored “sprinkles,” powered by a casein‑and‑whey protein blend and just 1g of sugar at 140 calories.
When to choose Magic Spoon Birthday Cake
Best for a low‑sugar, lighter snack that scratches the dessert itch without a glucose spike—think afternoon pick‑me‑up or pre/post‑workout bite. Less ideal if you want a meal‑replacement bar or avoid dairy and added fibers.
What's in the Magic Spoon bar?
Magic Spoon’s Birthday Cake bar dresses up dessert flavors in a very light package. The protein is classic dairy: a mix of casein and whey, which gives you 12g of complete, highly digestible protein without much lactose.
Sweetness leans modern—mostly allulose (a low‑calorie rare sugar) with tiny touches of stevia and monk fruit—so sugar stays low while flavor pops. Carbs come largely from refined soluble fibers (tapioca fiber and chicory‑root inulin), with a little tapioca starch and glycerin to keep the bar soft.
Fat is modest and split between almond butter (mostly unsaturated) and palm oils (more saturated), plus a hint of cream for that frosting‑like vibe. And yes, the confetti look is real: plant‑based color from spirulina, radish, and turmeric makes it feel like a party even at just 140 calories.
Expect a low‑sugar, low‑calorie snack that favors engineered fibers over whole‑food carbs, with ‘birthday cake’ flavor driven by natural flavor and a touch of cream.
- Protein
- 12 g
- Fat
- 6 g
- Carbohydrates
- 16 g
- Sugar
- 1 g
- Calories
- 140
Protein
1215MIDProtein comes from a dairy duo—casein and whey protein concentrate—backed by a small lift from almond butter. Casein’s slow‑digesting, gel‑forming nature gives chew and a steadier drip of amino acids, while whey adds highly digestible, complete protein. At 12g, it’s a moderate hit for a bar, with generally low lactose because of how these milk proteins are processed.
Fat
69LOWThe 6g of fat is a blend of almond butter (rich in monounsaturated fats) and palm kernel/palm oil, with a little dairy cream. Palm fats help the bar hold its shape at room temperature but tilt the profile toward saturated fat more than nut‑only bars. Net effect: a touch of richness without feeling heavy.
Carbs
1620MIDMost of the 16g of carbs are engineered rather than from whole grains: soluble tapioca fiber (a resistant dextrin) and chicory‑root inulin supply bulk, while smaller amounts of tapioca starch, allulose, and glycerin round out texture and sweetness. This combo tends to keep blood sugar steadier than sugar‑ or flour‑forward bars, though it leans on refined fibers instead of oats or fruit. If you’re fiber‑sensitive, start with one bar to gauge comfort.
Sugar
14LOWOnly 1g of sugar—the sweetness is built from allulose (a low‑calorie sugar made from corn), plus tiny amounts of stevia and monk fruit, with glycerin contributing mild sweetness and softness. That keeps glycemic impact low without relying on table sugar. Note that large amounts of allulose or added fibers can bother sensitive stomachs, though a single bar is usually fine for most people.
Calories
140210LOWAt 140 calories, this is one of the lighter bars out there. Calories largely come from the 12g of protein plus a modest 6g of fat; much of the carbohydrate mass is low‑ or no‑calorie (allulose and soluble fibers). Translation: a satisfying snack’s worth of protein with fewer digestible carbs than the label’s total carbs might suggest.
Vitamins & Minerals
This isn’t a vitamin play. You’ll get around 10% DV of calcium, mainly from the dairy proteins and a touch of cream, plus small amounts of iron and potassium. Think protein snack first, micronutrients second.
Additives
Expect a modern, keto‑style build: refined soluble fibers (tapioca fiber and inulin) for bulk, glycerin to keep it soft, and sunflower lecithin so fats and proteins stay smooth. Sweetness is handled by low‑ and no‑calorie sweeteners, and the festive ‘sprinkles’ use plant‑based colors carried on gum arabic. These are common, well‑studied food ingredients—but they’re more processed than whole‑food binders like dates or oats.
Ingredient List
Skim cow's milk
Cassava root starch
Ground roasted almonds
Corn or beet fructose syrups
Chicory root
Oil palm fruit
Cow's milk whey
Fats and oils
Cassava root
Acacia trees
What are people saying?
Sources
Range
“I’ve only had their protein bars, and I think they’re really good! Like a healthier rice crispies.”
“I really like these. They have a nice crunch and only 1g sugar.”
“Magic spoon bars at Costco. They taste like rice krispie treats”
Main Praise
Fans love that it eats like a grown‑up Rice Krispies treat: crisp, a little marshmallow‑y, and fun to chew. Multiple Redditors call out the crunch and low sugar, and one even summed it up as “a healthier rice crispies.
” On Amazon, Drew notes the texture is spot‑on for a treat bar and the stevia aftertaste is minimal. Well+Good’s taste test gives the line a thumbs‑up for being sweet and nostalgic, and Eat This, Not That!
goes further, naming it best‑in‑category for crispy rice‑style bars thanks to solid protein and staying power. Even The Takeout, in a lukewarm review, concedes it’s a handy, toss‑in‑your‑bag snack that’s a little bit fun.
Main Criticism
There’s a consistent chorus that flavor can be mild or even bland depending on the batch and flavor, with some tasters picking up a faint whey or stevia finish. A few reviewers say the bar can crumble, which undercuts the gooey treat expectation.
And if you want a heavy hitter, 12g of protein isn’t the 20g you’d get from a gym‑style bar—several commenters flag that it’s more snack than meal. One Redditor reported an odd mouth‑numbing reaction; while that’s unusual and not a common theme, it’s worth noting in case you’re very sensitive to modern low‑sugar formulas.
Finally, those with delicate digestion sometimes find added fibers and sugar alternatives a bit chatty with their gut.
The Middle Ground
So where’s the truth? Somewhere between “protein bar in a party hat” and “party treat with a conscience.
” If you expect a sticky marshmallow bomb, you’ll likely side with K. Robinson on Amazon who found it pretty but bland.
But if you’re chasing cereal‑treat nostalgia without a sugar slam, the positive Reddit threads and Well+Good’s tasting notes ring true: it’s sweet, crunchy, and light on the glycemic drama. Texture is its calling card, and the dairy protein blend keeps it more satisfying than most 140‑calorie snacks.
The flipside is that those modern sweeteners and refined fibers—think allulose, glycerin, tapioca fiber, and inulin—bring a different flavor profile than sugar and can read as “protein bar” to sensitive palates.
Net‑net: it’s a clever swap that delights some and leaves others wishing for more flavor and heft. The confetti is fun either way.
What's the bottom line?
Magic Spoon’s Birthday Cake bar is a smart riff on a crispy rice treat: 12g of milk‑based protein, 1g of sugar, 140 calories, and a confetti look that makes “healthy” feel like a celebration. It leans more engineered than home‑baked—sweetened with allulose plus tiny touches of stevia and monk fruit, and held together by refined fibers—so it stays low in sugar and light in calories while still delivering crunch. If your priority is a low‑sugar, low‑calorie snack that scratches the dessert itch without the crash, this is an easy win.
If you need 20g of protein, prefer whole‑food binders like dates or oats, or you’re stevia‑averse, you may want to keep browsing. For everyone else—especially cereal‑treat nostalgists and keto‑leaners—it’s a delightfully tidy compromise. Heads‑up on allergens: it contains milk and almonds, and people sensitive to added fibers may want to start with one bar and see how they feel.
Condensed listicle blurb: A crispy, confetti‑sprinkled cereal‑treat dupe with 12g protein, 1g sugar, and 140 calories. Sweetened with allulose and built on casein‑whey protein, it’s great for low‑sugar snackers who want dessert vibes without a spike. Caveats: a light, sometimes mild flavor, a hint of whey/stevia for sensitive palates, and not a 20g‑protein meal bar.