Choosing a cake in Sydney shouldn't be stressful — but with hundreds of bakeries and a dozen decisions to make, it often is. The trick is to work through the choices in the right order: occasion, size, flavour, finish, budget and lead time. Get those six right and the rest falls into place.
This guide walks through each step the way we talk customers through it at Num Num's Bakery, Sydney's dedicated 100% eggless cake shop. Whether you're booking a first birthday, a wedding or a last-minute work farewell, the same simple framework gets you to the right cake — one everyone at the table can actually eat.
- Choose your cake in six steps: occasion, size, flavour, finish, budget and lead time
- Size to your guest count: 6-inch serves 8–10, 8-inch serves 15–20, 10-inch serves 30–40
- For a mixed-diet Sydney crowd, a 100% eggless cake means one cake everyone can share
- Order with at least 48 hours notice — 4–5 days for custom or festival-period cakes
- Num Num's makes 15 eggless flavours from two Sydney shops — Harris Park and Riverstone
How Do You Choose the Right Cake for Your Event?
Start with the occasion, because it sets every other choice. A first birthday needs a small, photogenic smash cake; a wedding needs a tiered showpiece; an office farewell needs something easy to slice for 30 people. Once you've named the event, the size, flavour and finish all narrow down quickly.
The single most common mistake we see is leaving the order too late and being forced to settle. Cake demand spikes hard around weekends and festivals — and with 30% of Australians now living with allergic disease as of 2025 (NACE, Costly Reactions report, August 2025), dietary-friendly options book out first. Decide early and you keep your pick of design and date.
The smartest way to choose a Sydney cake is to lock the occasion and date first, then work down through size, flavour, finish and budget. With 30% of Australians living with allergic disease in 2025 (NACE, 2025), choosing a dietary-friendly cake early avoids settling for whatever's left.
What Size Cake Do You Need for Your Guest Count?
Match the cake to the headcount, not the table. A common error is buying too small for an event where guests linger and come back for seconds. As a working guide from thousands of our orders, a 6-inch round serves 8–10, an 8-inch serves 15–20, a 10-inch serves 30–40, and a two-tier cake comfortably covers 50–60.
Cake size by guest count
- 6-inch round — 8–10 servings; ideal for an intimate gathering or a smash cake.
- 8-inch round — 15–20 servings; our most popular birthday size.
- 10-inch round — 30–40 servings; great for a big family party.
- Two-tier cake — 50–60 servings; the easy answer for a large celebration.
If you're between two sizes, size up — a few leftover slices are far better than running short. Our detailed eggless cake size guide breaks down servings by slice style and event type.
Which Cake Flavour Should You Choose?
For a wide, mixed crowd, crowd-pleasing flavours beat adventurous ones — from our internal order data, Chocolate, Vanilla, Butterscotch and Rasmalai are the four that almost never miss. Save the bolder picks like Ferrero Rocher or Tiramisu for smaller, grown-up gatherings where you know the room.
All 15 Flavours — 100% Eggless
- Chocolate — rich and universally loved; the safest choice for a big group.
- Vanilla — clean and classic; works for every age.
- Rasmalai & Mango — fragrant, South Asian-inspired favourites for cultural events.
- Butterscotch & Red Velvet — warm, nostalgic crowd-pleasers.
- Black Forest & White Forest — elegant cherry-cream options for a dressier table.
- Ferrero Rocher & Tiramisu — premium, grown-up flavours for adult celebrations.
- Strawberry, Blueberry, Pineapple, Lychee, Cookies & Cream — bright, fun, party-friendly choices.
See every flavour with photos on our Our Cakes page. Because the whole menu is eggless, you never have to trade flavour for dietary suitability.
Should You Choose Buttercream or Fondant?
Choose buttercream for taste and a soft, modern look; choose fondant for sharp detail and sculpted designs. Buttercream is lighter and what most people prefer to eat, which makes it the default for birthdays. Fondant gives a smooth, flawless surface that holds intricate themes and crisp edges, so it suits elaborate or tiered cakes.
Many of our cakes blend the two — a buttercream base with fondant accents for the figures or lettering. If you're deciding, our buttercream vs fondant guide compares taste, look, durability and cost in detail so you can match the finish to the occasion.
How Do You Choose a Cake for a Mixed-Diet Guest List?
The simplest way to cover a mixed Sydney guest list is to start with a cake everyone can eat — and that's where a 100% eggless cake wins. It's suitable for egg-allergic guests, Hindu and Jain vegetarians and anyone avoiding eggs, so you serve one cake instead of an awkward "is this one okay?" at every plate.
Egg allergy alone affects roughly 9% of Australian infants, according to Allergy & Anaphylaxis Australia, and egg is a priority allergen under Food Standards Australia New Zealand. One honest caveat: egg-free is not allergen-free — our cakes still contain dairy and wheat, and may involve nuts. For a severe allergy, tell us when you order and follow ASCIA-aligned advice.
Here's a pattern most people miss: choosing an eggless cake for a mixed crowd doesn't just include more guests — it removes the host's anxiety. From our orders, the customers who default to eggless for big multicultural gatherings spend noticeably less time fielding "can I eat this?" questions on the day. One cake, no caveats at the table.
How Much Should You Budget for a Cake in Sydney?
Budget follows size, finish and design complexity more than flavour. A simple single-tier buttercream cake is the most affordable choice; custom fondant work, hand-piped detail, edible images and tiers each add to the price. The honest rule is that detail costs more than size — a small, intricate cake can cost more than a large, plain one.
To avoid surprises, set a rough budget before you brief the design, and ask what's achievable within it. Our Sydney cake price guide lays out typical ranges by size and style. For very large events, pairing a smaller centrepiece cake with a tray of Indian sweets is often better value than one oversized cake.
How Do You Match a Cake to the Occasion?
The occasion should drive the design more than personal taste, because each event has its own practical needs. From our orders across Sydney, the cakes that land best are the ones matched to how the day actually runs — a smash cake a baby can demolish, a tiered cake that photographs from across a hall, a sheet cake an office can slice in two minutes.
Choosing by event type
- First birthday — a small 6-inch cake plus an optional smash cake; soft buttercream and bright colours photograph beautifully.
- Kids' party — a themed buttercream-and-fondant cake in a fun flavour like Chocolate or Cookies & Cream; size to the number of small slices.
- Milestone birthday (18th, 21st, 50th) — a number cake or an elegant single tier in a grown-up flavour such as Ferrero Rocher or Tiramisu.
- Wedding or engagement — a tiered fondant centrepiece; book early and ask about a tasting before you commit.
- Cultural or religious event — an eggless cake is essential for many Hindu, Jain and Sikh gatherings; Rasmalai and Mango are popular festival flavours.
- Corporate or farewell — a simple sheet or single-tier cake that's easy to slice and serve for a crowd, with the logo or name piped on top.
Once you've matched the cake to the event, the size, flavour and finish you settled on earlier slot neatly into place. If you're still unsure, send us a photo of a design you like and a rough budget, and we'll tell you what's achievable before you commit — a quick WhatsApp message is all it takes to turn the plan into a confirmed order.
How Far Ahead Should You Order a Cake in Sydney?
Order with at least 48 hours notice for a standard cake, and 4–5 days for anything custom or tiered. Every cake is made fresh to order, so notice protects both quality and your choice of date. During Diwali, Eid, Christmas and the wedding season, the calendar fills fast — earlier is always safer.
Curious how a great cake comes together? Hebbars Kitchen (7.8M subscribers) walks through an eggless vanilla cake.
Message your occasion, size, flavour and date — we'll help you finalise the rest. 48 hours is all we need for most cakes. Collect from Harris Park or Riverstone.
What Makes Num Num's Sydney's Go-To Eggless Cake Shop?
What sets Num Num's apart is focus: every cake is 100% eggless, so the whole menu suits egg allergy and vegetarian and Jain diets without compromise. There's no separate "eggless option" with a denser crumb — the entire 15-flavour range is built egg-free from scratch, which is why our cakes taste like normal, soft, generous cake.
Founded in 2019, we've grown from one shop to two — Harris Park and Riverstone — serving birthdays, weddings, festivals and corporate orders across Sydney. For the wider case, see our roundup of why we're often named among the best cake shops in Sydney and our custom cake guide.
Where Can You Order a Cake in Sydney?
Num Num's Bakery has two pick-up shops, so one is usually close to you. Harris Park (96/96 Wigram Street, open daily 11 am–10 pm) covers Parramatta and the inner-west; Riverstone (Shop 8, Riverstone Shopping Centre, Mon–Fri 6 am–8 pm, Sat–Sun 7 am–7 pm) covers the Hills and north-west. Both make the full eggless range.
Order via WhatsApp at +61 425 697 725, or start on the Order Online page. Both shops have free parking — see them on the Locations page with maps. Flag any allergy beyond eggs when you order so we can guide your flavour choice.
Frequently Asked Questions
What size cake do I need for my guest count?
As a guide, a 6-inch round serves 8–10, an 8-inch serves 15–20, and a 10-inch serves 30–40. For 50+ guests, choose a two-tier or sheet cake. Size to the headcount and round up if guests drift in and out. Our size guide has full detail.
How do I choose a cake flavour for a mixed group?
For a wide crowd, crowd-pleasers beat adventurous picks — Chocolate, Vanilla, Butterscotch and Rasmalai rarely miss. Num Num's offers 15 eggless flavours, so you can match the cake to the season and guests. Browse them on the Our Cakes page.
Should I choose buttercream or fondant?
Buttercream is softer, lighter and better to eat — ideal for most birthdays. Fondant gives a smooth, sculpted finish for intricate or tiered designs. Many cakes use both. Compare them in our buttercream vs fondant guide.
How far ahead should I order a cake in Sydney?
Order with at least 48 hours notice. For custom designs, tiered cakes or busy festival periods such as Diwali, Eid or Christmas, allow 4–5 days. Message +61 425 697 725 to confirm availability at your preferred shop.
Where can I order a cake in Sydney?
From either Num Num's shop: Harris Park (96/96 Wigram Street, daily 11 am–10 pm) and Riverstone (Shop 8, Riverstone Shopping Centre, Mon–Fri 6 am–8 pm, Sat–Sun 7 am–7 pm). Every cake is 100% eggless. See the Locations page for maps and parking.
15 flavours, 100% eggless, made fresh to your brief. Pick up from Harris Park or Riverstone. WhatsApp us at least 48 hours before your event.