If you're following Slimming World and fancy eating out, Nandos is genuinely one of the best restaurants you can choose. Seriously — it's an absolute goldmine for low-syn and even syn-free options if you know what to order. The menu is packed with grilled chicken, fresh sides, and flavour-loaded sauces that won't blow your daily allowance.
But here's the thing: not everything on the Nandos menu is SW-friendly. Some choices can rack up the syns faster than you'd expect (looking at you, perinaise and halloumi). That's exactly why I've put together this complete Nandos syns guide — so you can walk in, order with confidence, and enjoy every single bite without the guilt.
Whether you're popping in for a cheeky half chicken or treating yourself to a full Nandos spread, this guide covers every section of the menu with syn values, smart swaps, and my top picks for staying on plan.
In a rush? Here are the absolute best things to order at Nandos if you're counting syns:
The golden rule at Nandos? Stick to grilled chicken, load up on free sides, and be careful with sauces and extras. Now let's break it all down properly.
This is where Nandos really shines for Slimming World. Most of the chicken on the menu is grilled (not fried!) and counts as lean protein, making it a Free Food or very low in syns. Here's the full breakdown:
A plain grilled chicken breast at Nandos is syn-free on Slimming World. It doesn't matter which peri-peri baste you choose — lemon & herb, medium, hot, or extra hot — the baste adds negligible calories and is generally considered syn-free. This is your safest, most straightforward order.
Chicken thighs are also a brilliant option and can be syn-free if you remove the skin. With the skin on, you're looking at roughly 2-3 syns depending on the portion size. Thighs have more flavour than breast meat, so if you don't mind peeling the skin off, they're a fantastic choice. I've written a full guide on Nandos chicken thighs and their syn values if you want the complete lowdown.
The butterfly chicken (two chicken breasts) is syn-free. It's essentially a double portion of grilled chicken breast, so it follows the same rules. Hungry? This is your best friend. Pair it with corn on the cob and a side salad for a completely syn-free main meal.
A half chicken includes both breast and thigh/leg portions. With skin removed, it's syn-free. With the skin on, expect around 3-5 syns for the whole half. My tip: ask for it without skin if you can, or simply peel it off when it arrives.
Sharing a whole chicken? The same rules apply — the meat itself is syn-free, and the skin adds syns. Without skin: syn-free. With skin: around 6-10 syns for an entire whole chicken's worth of skin (though you'd be eating a lot of chicken at that point!).
Wings are a bit trickier because they're smaller and the skin-to-meat ratio is higher. A portion of 5 peri-peri chicken wings comes in at approximately 1-2 syns. They're still a solid option and taste incredible with the hot or extra hot baste. Just don't go mad and order three portions!
If you spot chicken livers on the menu (they come and go), they're syn-free as they count as Free Food on Slimming World. A great starter if available.
| Chicken Option | Syns (approx.) | Notes |
|---|---|---|
| Chicken breast | Free | Any baste |
| Butterfly chicken | Free | Double breast |
| Chicken thighs (no skin) | Free | Remove skin! |
| Chicken thighs (with skin) | 2-3 | Skin adds syns |
| Half chicken (no skin) | Free | Best value |
| Half chicken (with skin) | 3-5 | Peel it off |
| Whole chicken (no skin) | Free | Great for sharing |
| 5 Peri-peri wings | 1-2 | Skin stays on |
| Chicken liver | Free | When available |
Sides are where things can go either way at Nandos. Some are completely free, others will cost you. Here's every side on the menu with syn values:
| Side | Syns (approx.) |
|---|---|
| Corn on the cob | Free |
| Side salad (no dressing) | Free |
| Chargrilled veg | Free |
| Coleslaw | 3.5 |
| Macho peas | 3-4 |
| Sweet potato mash | 4-5 |
| Peri-peri nuts | 5 |
| Spicy rice | 5.5 |
| Creamy mash | 5-6 |
| Garlic bread | 7-8 |
| Peri-peri chips (regular) | 10 |
Good news here — most of the sauces at Nandos are very low in syns or completely free. The peri-peri bastes used on the chicken during cooking are generally considered syn-free. The bottled sauces you add at the table are slightly different:
All four bastes are syn-free when applied to your chicken. Choose whichever heat level you fancy — it makes zero difference to your syns.
Top tip: Ask for a small pot of sauce on the side rather than having it drizzled over your food. That way you control exactly how much you're using.
Starters can be a minefield if you're not careful. Here's what you need to know:
A starter portion of wings (usually 3) comes in at roughly 1 syn. Not bad at all for a starter, and they're packed with flavour. A solid choice.
Hummus is around 5-6 syns per portion, and that's before the pitta bread strips it usually comes with. The pitta strips add another 4-5 syns. So the whole starter dish could set you back 9-11 syns. If you love hummus, have a small amount and skip the pitta — or better yet, dip your grilled chicken in it instead.
Halloumi is gorgeous but it's cheese, and cheese means syns. A portion of halloumi sticks is approximately 8-10 syns. They're also usually fried or grilled with oil. One of the higher-syn starters on the menu.
The red pepper dip is around 2-3 syns per portion, making it a much better choice than hummus if you want something to nibble on while you wait.
| Starter | Syns (approx.) |
|---|---|
| Chicken wings (3 pieces) | 1 |
| Red pepper dip | 2-3 |
| Hummus (without pitta) | 5-6 |
| Hummus (with pitta strips) | 9-11 |
| Halloumi sticks | 8-10 |
Now, burgers and pittas are where you need to make some decisions. The chicken filling is usually free or very low-syn, but the bread is what catches you out.
A plain chicken breast burger in a bun is approximately 9-11 syns. The chicken itself is free — it's the burger bun that accounts for all the syns. If you really want one, you could:
A chicken pitta comes in at approximately 7-9 syns. Slightly less than the burger because the pitta is thinner than a bun. The same tips apply — you could use your HEB allowance if the pitta qualifies, or go bunless.
The wrap is around 8-10 syns depending on the size of the tortilla. Again, the filling is mostly free — it's the wrap itself adding the syns. You could ask for the filling served in a bowl instead.
Most Nandos restaurants will happily serve you any burger or pitta filling without the bread. Just ask for it on a plate with salad. You get all the flavour, all the toppings, and zero bread syns. It's the smartest move if you don't want to spend syns on bread.
| Item | Syns (approx.) | Smart Swap |
|---|---|---|
| Chicken pitta | 7-9 | Go naked / use HEB |
| Chicken wrap | 8-10 | Ask for filling in a bowl |
| Chicken burger | 9-11 | Open-faced or no bun |
Let's be honest — desserts at Nandos are not going to be low-syn. But if you've saved your syns and want to treat yourself, here's what you're looking at:
My honest advice? If you're watching syns closely, skip dessert at Nandos and have something lighter when you get home. But if you do want to indulge, the frozen yoghurt is the least damaging option. For more low-syn sweet treats, check out our low-syn desserts guide.
Drinks can be sneaky syn-traps, especially the bottomless refill options. Here's the breakdown:
Watch out for the bottomless drinks! If you go for bottomless regular Coke or lemonade, those syns stack up with every refill. Stick to bottomless diet drinks instead — unlimited refills, zero syns. For a full list of drink syn values, have a look at our low-syn drinks guide.
Right, if you want to walk into Nandos and order the absolute best meal for your syns, here's exactly what I'd recommend:
Total: 0 syns. Yes, you read that right. A full restaurant meal for absolutely zero syns. You'll leave full, satisfied, and completely on plan.
Total: approximately 4.5 syns. A starter, a generous main, two sides, and a drink for under 5 syns. That's a proper Nandos experience without the guilt.
Total: approximately 13.5-15.5 syns. Still very manageable within a daily allowance if you've been good all day. And you'll feel like you've had a proper indulgent meal out.
Some items on the Nandos menu look innocent but will absolutely demolish your syn count. Here's what to be careful with:
After years of navigating the Nandos menu on plan, here are my top tips:
Yes! Plain grilled chicken breast, butterfly chicken, and chicken thighs (with skin removed) are all syn-free at Nandos. The peri-peri bastes — lemon & herb, medium, hot, and extra hot — are also considered syn-free when used as a cooking baste. It's one of the reasons Nandos is such a popular choice for Slimming World members.
A regular portion of peri-peri chips at Nandos is approximately 10 syns. A large portion would be more. If you want chips but don't want to spend 10 syns, consider sharing a regular portion with someone else.
No, the spicy rice at Nandos is approximately 5.5 syns per portion. It's cooked with oil and spices which adds to the syn count. Plain boiled rice would be syn-free, but Nandos doesn't serve it plain.
Perinaise is approximately 3 syns per tablespoon. It's one of the highest-syn condiments at Nandos because it's essentially a flavoured mayonnaise. Use it sparingly or swap for a drizzle of peri-peri sauce (0.5 syns per tablespoon) instead.
Absolutely! Order a butterfly chicken or chicken breast with any baste, corn on the cob, a side salad without dressing, and a diet drink. That's a full, satisfying restaurant meal for 0 syns. It's genuinely one of the best syn-free meals you can get eating out.
Not quite — a portion of 5 peri-peri chicken wings is approximately 1-2 syns. The skin on the wings accounts for the small syn value. They're still a great low-syn option though.
A chicken breast burger in a bun is approximately 9-11 syns, with almost all of the syns coming from the bun. Ask for it without the bun ("naked") and the chicken filling with salad is virtually syn-free.
The best order is butterfly chicken with corn on the cob and a side salad — completely syn-free. If you want something extra, add chicken wings as a starter (1 syn) and a small coleslaw (3.5 syns). You'll have a filling three-course-style meal for under 5 syns.
No. Whether you choose lemon & herb, medium, hot, or extra hot, the syn value is the same. The heat comes from chillies and spices, not from fat or sugar. Pick your favourite heat level without worrying about syns.
Nandos is genuinely one of the best restaurants you can visit when you're following Slimming World. The fact that you can have a complete meal — starter, main, sides, and drink — for under 5 syns (or even zero!) is pretty remarkable for a restaurant chain.
The key is knowing what to order and what to avoid. Stick to grilled chicken, load up on corn and salad, go easy on the sauces, and choose diet drinks. Do that, and you can enjoy Nandos as often as you like without derailing your progress.
For more ideas on eating well while counting syns, check out our guides to low-syn meals, low-syn drinks, and low-syn desserts. Happy eating!
Syn values in this guide are approximate and based on the most recently available nutritional information from Nandos. Always check the Slimming World app or website for the most up-to-date syn values, as recipes and portion sizes can change. This guide was last updated in March 2026.
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