Slab Cakes Sydney – Sizes, Flavours & Cutting Guide | Padstow Food Service

Slab Cakes Sydney: Your Complete Guide to Sizes, Flavours & Cutting Tips

If you've ever had to feed a big crowd — a birthday, a fundraiser, an office morning tea — you've probably come across slab cakes. They're one of the easiest ways to serve a lot of people without a lot of fuss, and they're a genuine favourite among our catering and hospitality customers here in Sydney. Here's everything you need to know before you order.

What is a slab cake?

A slab cake is a large, flat, single-layer cake, usually rectangular, cut into individual portions rather than served whole. Think of it as the practical, no-frills alternative to a tiered celebration cake — same great flavour, built for serving a crowd rather than sitting in a display window.

Chocolate Slab Cake From Padstow Food Service

How big are slab cakes?

Slab cakes generally come in two sizes:

Full slab cakes — around 30cm x 40cm
Half slab cakes — around 20cm x 30cm

Both sizes are designed to be cut down into individual serves, so the "right" size really comes down to how many people you're feeding.

How many serves does a slab cake give you?

This is where slab cakes really earn their reputation for value. Depending on how generous you want each slice, a single slab cake can be cut into anywhere from 30 to 70 individual servings.

Smaller portions (like morning tea pieces) obviously stretch further than a dessert-sized slice — take a look at our cutting guide below for some suggested portion sizes.

How do you cut a slab cake?

A few tips that make a real difference to how clean your slices come out:

Cut the cake while it's still fully frozen — it holds its shape far better than once it's thawed.
Use a hot knife, and rinse and dry it between each cut. Re-dip it in hot water before the next slice.

How do you thaw a slab cake?

Slab cakes are best thawed slowly, overnight, in the fridge. Avoid rushing this — a slow thaw keeps the texture and moisture where it should be.

What flavours are available?

There's something for everyone in our slab cake range.

Full slab cakes:

Half slab cakes:

If you're after something a little different, our Sara Lee Slab Danish range is also worth a look.

What occasions suit a slab cake?

Slab cakes turn up everywhere for good reason:

Birthdays — perfect for large parties where you need to feed a crowd without the fuss of a tiered cake.
Unexpected guests — cut off what you need, and keep the rest frozen for next time.
Catering events — caterers love slab cakes because a simple garnish turns each slice into something that looks properly plated.
Fundraisers — schools, sporting clubs and community groups regularly buy slab cakes to slice up and sell for a profit.
Weddings and engagements — slab cakes have even been dressed up as the base for full wedding cakes.

Where can I buy slab cakes in Sydney?

You can order slab cakes online through Padstow Food Service Distributors, with delivery available across the Sydney metro area.

Prefer to come in? Our Factory Outlet Shop is open to the public at 2D Arab Road, Padstow — just near Padstow McDonald's, and around the corner from the new Bunnings on Fairford Road.

What do slab cakes cost?

Our slab cakes are genuinely good value, typically running from around $35.00 to $65.00. If you don't need a full slab, our Half Slab Happy Birthday cake is great value and serves 15 to 30 people.

How do I order a slab cake in Sydney?

Ordering online is simple:

Choose your cake and add it to your cart
Select Pickup or Delivery
Let us know your preferred date
Check out — that's it

Got a question first? Email our team at sales@padstowfoodservice.com.au or call us on (02) 9792 2170.

24th Jul 2026 Darren White | Padstow Food Service