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Syns & Slimming World

How Many Syns in Cranberry Sauce?

By Jenny Updated

Cranberry sauce is the glossy, ruby-red condiment that turns a humble roast dinner into something properly festive, and it has earned a permanent spot on the Slimming World shelf for good reason. The tartness of the berries gives it a sharp, palate-waking kick that cuts beautifully through rich meats like turkey, gammon, pork and even a wedge of brie, which means you genuinely do not need very much of it to feel as though you have treated yourself.

Most shop-bought jars sit somewhere between 1.5 and 2 syns per tablespoon, which is a small price to pay for the lift it gives an otherwise lean plate of food. The reason cranberry sauce carries any syn value at all is the sheer volume of added sugar required to balance the natural sourness of the fruit.

Cranberries themselves are wonderfully low in calories and packed with vitamin C, but on their own they are almost unbearably sharp, so manufacturers stir in caster sugar, glucose syrup or apple juice concentrate to make the sauce spoonable and sweet. On plan, the trick is to treat it as a finishing flourish rather than a side dish in its own right.

A neat teaspoon dotted around the edge of a Sunday roast plate, a thin smear inside a cold turkey sandwich, or a small dollop swirled through fat-free natural yoghurt as a dessert topping all deliver maximum flavour for minimum syns. If you fancy a free version, you can simmer fresh or frozen cranberries with orange zest, a cinnamon stick and a generous splash of sweetener until they pop and collapse into a thick compote, which is properly delicious and costs nothing from your daily allowance.

Keep portions honest and weighed where possible, because spoon sizes drift dramatically once the jar comes out at the table.

Per serving

Cranberry Sauce — syn values

Portion Syns kcal
1 tsp (10g) 1 16
1 tbsp (20g) 1.5 32
2 tbsp (40g) 3 64
3 tbsp (60g) 4.5 96
Small ramekin (80g) 6 128
Quarter jar (100g) 7.5 160
Syn values are based on Slimming World 2026 guidance. Always double-check with your group or app.

Numbers at a glance

Quick auto-calculated stats for Cranberry Sauce.

10.0syns / 100g
Syns per 100g
useful for comparing brands
7%
of a 15-syn day
based on standard daily allowance
16kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
1syns
cheapest portionat 1 tsp (10g)
smallest serving

Brand breakdown

Popular supermarket and branded products, with the portion-level syn count.

Brand Product Portion Syns kcal
Ocean Spray Wholeberry Cranberry Sauce 1 tbsp (20g) 2 38
Baxters Cranberry Sauce 1 tbsp (20g) 1.5 32
Tesco Cranberry Sauce 1 tbsp (20g) 1.5 30
Sainsbury's Cranberry Sauce 1 tbsp (20g) 1.5 31
Asda Cranberry Sauce 1 tbsp (20g) 1.5 30
Morrisons The Best Cranberry Sauce with Port 1 tbsp (20g) 2 40
Waitrose Christmas Cranberry Sauce 1 tbsp (20g) 2 38
Aldi Specially Selected Cranberry & Port Sauce 1 tbsp (20g) 2 39

Lower-syn alternatives

Swaps that keep the feel of the original without the syn hit.

Homemade cranberry compote with sweetener

Free

Cooking fresh cranberries with sweetener, orange zest and cinnamon produces a thick, tart sauce for zero syns. It tastes just as good as the jarred version and saves you the 1.5 syns per tablespoon. Make a batch and freeze in portions for roast dinners year-round.

Apple sauce (homemade)

Free

Stewing cooking apples with a splash of water and sweetener makes a Free condiment that pairs beautifully with pork and turkey. It fills a similar role to cranberry sauce on a roast dinner plate without the 1 to 1.5 syns per tablespoon.

FAQs

How many syns in cranberry sauce?

Cranberry sauce is around 1 syn per teaspoon (10g) and 1.5 syns per tablespoon (20g). Two tablespoons cost about 3 syns. Ocean Spray Wholeberry is slightly higher at 2 syns per tablespoon. A small ramekin (80g) would be 6 syns, so keep portions tight and use it as a finishing flourish.

Is cranberry sauce free on Slimming World?

No, shop-bought cranberry sauce is not free due to the added sugar needed to balance the natural tartness of the berries. However, you can make a free version by simmering fresh or frozen cranberries with orange zest, cinnamon and sweetener until they pop and collapse into a thick compote.

How do you make free cranberry sauce on Slimming World?

Simmer fresh or frozen cranberries with a splash of water, orange zest, a cinnamon stick and granulated sweetener to taste until the berries pop and the mixture thickens into a compote. This homemade version costs 0 syns compared to 1.5 syns per tablespoon of the shop-bought kind.

Can you have cranberry sauce with a roast on Slimming World?

Absolutely. A teaspoon dotted around your plate costs just 1 syn and adds a bright, tart counterpoint to lean roast turkey, chicken or pork. The rest of a roast dinner with Free vegetables, lean meat and Bisto-style gravy keeps the overall syn count low. Plan for 1 to 2 tablespoons at most.

Lower-syn sauce alternatives

Food Portion Syns vs current
Fish Sauce 1 tsp (5ml) FREE −1 syns
Soy Sauce 1 tsp (5ml) FREE −1 syns
Stock Cube 1 cube (Knorr / Oxo) FREE −1 syns
Tomato Puree 1 tbsp (15g) FREE −1 syns
Wine Vinegar 1 tbsp (15ml) FREE −1 syns

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