Grumpy Bums

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Grumpy Bums

Delicious kids snacks that contain no added sugar and nasties. Just real ingredients 🍓🍌🍎 Kids snacks without the guilt trip! In fact no nasties at all.
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Grumpy Bums, is an all-inclusive range of muffin and cookie mixes which contain no added sugar or sugar substitutes. Just real ingredients, like wholegrains and freeze-dried fruits, put together in an easy peasy, foolproof mix that takes less than 20 minutes to make.

03/10/2026

We set out to make kids’ food with real ingredients and no added sugar or sweeteners.

From breakfast bowls to lunchboxes, we’re making better options for little eaters.

Winning awards along the way? That’s something we’re proud of. 🏆

30/09/2026

Our toughest critics? The kids. 🥣

We know what goes into our cereals. The kids tell us whether we’ve nailed the taste.

Before we launch, our cereals have to pass the Grumpy Bums taste test. Our little taste testers don’t sugar coat their feedback—and that’s exactly how we like it.

Don’t just take our word for it. Here’s what they had to say. 💬

28/09/2026

We only just introduced Fruity Crispies to the world—and they’ve already been named WINNER of Best Muesli in the Healthy Food Guide Awards 2026! 🏆

Judged by qualified dietitians, this recognition means so much to us.

We created Fruity Crispies because kids’ cereal shouldn’t need added sugar or sweeteners to be delicious. Just wholegrain oats, BARLEYmax®, puffed quinoa and real fruit.

A very big win for a little cereal with a very big mission.

Preorder yours now—shipping from 05/10.

25/09/2026

School holidays: more fun, more mess and a few extra treats.
And breakfast? That can be fun too.

Our rich, chocolatey Cacao Crunch Pops bring the crunch, with Aussie oats, puffed quinoa and no added sugar or sweeteners.

Now, back to the colouring, puzzles and beautiful chaos. 🖍️🥣

We don’t sugar coat it.

23/09/2026

They keep adding sugar. We keep asking why. 👀

Fruity Crispies brings real fruit, oats, puffed quinoa and BARLEYmax® to fuel little tummies. No added sugar or sweeteners. No fake fibres or fillers.

We don’t sugar coat it.

22/09/2026

We were pretty particular about what went into our cereals.

Wholegrain oats. Puffed quinoa. Real fruit. Cacao. And for our Fruity Crispies, BARLEYmax® — helping make them a good source of fibre.

No added sugar. No sweeteners. Just real ingredients we actually wanted in the breakfast bowl.

Turns out, being fussy takes time.

20 years in food science. A lot of ingredient lists. Very few shortcuts.

Pre-order online now.

20/09/2026

Meet Fruity Crispies. 🍓🍎
Light, crispy and naturally fruity—with no added sugar or sweeteners.

Made with wholegrain oats, puffed quinoa and crispy rice flakes, with real freeze-dried apple and strawberry for a naturally sweet pop.

And then there’s BARLEYmax®—a special Australian wholegrain developed by CSIRO and naturally rich in prebiotic fibre. We chose it because we wanted this cereal to offer more than crunch: real wholegrains and a good source of fibre in every bowl.

Simple ingredients. No nasties. No tricks. No sugar coating.

Pre-order now at grumpybums.com.au

18/09/2026

Rise and shine! ☀️

For those busy mornings when everyone’s rushing out the door, we’ve got breakfast sorted. Wholegrains, real fruit and no added sugar or sweeteners—just goodness by the bowlful.

16/09/2026

Breakfast made for little and big kids—with wholegrains, real ingredients and no added sugar or sweeteners.

Because kids are sweet enough.

Address

Sydney, NSW

Website

https://grumpybums.com.au/

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