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Syns & Slimming World

How Many Syns in Pastrami?

By Jenny Updated

Pastrami is one of those deli meats that feels indulgent but actually slots very comfortably into a Slimming World day, which is exactly why it has quietly become a staple in my fridge. Originally a Romanian preservation technique brought to New York by Jewish immigrants in the late nineteenth century, traditional pastrami starts with beef navel or brisket that is brined, rubbed generously with black pepper, coriander seed and garlic, then smoked low and slow before being steamed until tender.

The result is a deep red, peppery, melt-in-the-mouth slice that delivers a huge amount of flavour for very little fat, because most of the visible fat is trimmed before curing and rendered away during the long cook. On the plan, a typical 30g portion of supermarket sliced pastrami comes in at around 1 syn, making it a far smarter swap than salami, chorizo or pepperoni, all of which carry significantly more fat per slice and can easily push 5 to 7 syns for the same weight.

Pastrami also stretches beautifully across meals: pile it into a SW-friendly Reuben using wholemeal bread as your Healthy Extra B, layer it through a salad bowl with gherkins, mustard and lots of speed leaves, or wrap it around asparagus spears for a quick lunchbox filler. Because the cure delivers so much punch on its own, you rarely need to add oil, butter or rich dressings, which keeps the overall meal lean.

Do keep an eye on the salt content though, as cured meats are inherently high in sodium, so balance pastrami days with plenty of water, fresh vegetables and potassium-rich fruit. Treated sensibly, it is one of the most satisfying low-syn meats you can keep to hand.

Per serving

Pastrami — syn values

Portion Syns kcal
1 slice (10g) 0.5 16
30g (3-4 slices) 1 48
50g 1.5 80
75g (sandwich filler) 2 120
100g (deli portion) 3 160
150g (Reuben stack) 4.5 240
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 Pastrami.

5.0syns / 100g
Syns per 100g
useful for comparing brands
3%
of a 15-syn day
based on standard daily allowance
32kcal / syn
calories per syn
the lower, the more 'value' your syns get
6
portion sizes covered
from snack to full serving
0.5syns
cheapest portionat 1 slice (10g)
smallest serving

Brand breakdown

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

Brand Product Portion Syns kcal
Tesco Wafer Thin Pastrami 30g 1 45
Sainsbury's New York Style Pastrami 30g 1 48
Asda Sliced Beef Pastrami 30g 1 47
M&S British Beef Pastrami 30g 1.5 55
Waitrose Peppered Beef Pastrami 30g 1.5 54
Morrisons The Best Pastrami 30g 1 50
Aldi Specially Selected Beef Pastrami Slices 30g 1 46

Lower-syn alternatives

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

Lean ham

Free (extra lean)

Extra-lean ham is a Free Food on Slimming World, making it the zero-syn alternative to pastrami for sandwiches and salads. It lacks the peppery punch of pastrami but delivers similar protein. Choose wafer-thin varieties with visible fat trimmed for the best Free Food option.

Chicken breast slices

Free

Cooked chicken breast is Free on Slimming World and works perfectly in the same sandwiches and salads where you would use pastrami. Season with black pepper and smoked paprika to mimic some of pastrami's flavour profile without any syn cost.

Turkey breast slices

Free

Wafer-thin turkey breast is Free on Slimming World. It is very lean and mild, making it a versatile swap for pastrami in wraps and lunchboxes. Add mustard and pickles to boost the flavour and replicate that deli-counter experience.

FAQs

How many syns in pastrami?

Pastrami is approximately 0.5 syns per 10g slice and around 1 syn per 30g portion on Slimming World. A generous 75g sandwich filling is roughly 2 syns, and a full 100g deli portion comes in at about 3 syns. This makes it one of the lowest-syn cured meats available, far below pepperoni or salami for the same weight.

Is pastrami free on Slimming World?

Pastrami is not quite Free Food on Slimming World, but it is very low in syns. A typical 30g serving of 3-4 slices costs just 1 syn, which is manageable within any daily allowance. The curing process and residual fat content prevent it from being classed as Free, but it sits much closer to lean meat territory than most other deli options.

Is pastrami a good Slimming World meat?

Yes, pastrami is one of the best deli meats for Slimming World. At just 1 syn per 30g, it costs far less than pepperoni at 5.5 syns per 30g or chorizo at similar levels. The strong peppery flavour means a small amount goes a long way in salads, wraps and sandwiches. Just watch the salt content and balance it with plenty of fresh vegetables and water.

Can you have pastrami on Slimming World?

Absolutely, and it is an excellent choice. Layer 50g of pastrami (1.5 syns) into a wholemeal bread sandwich using your Healthy Extra B, add mustard and lots of Speed salad, and you have a filling lunch for barely any syns. It also works rolled around cornichons as a quick snack or piled into a salad bowl with gherkins and lettuce.

Lower-syn meat alternatives

Food Portion Syns vs current
Ham 1 slice wafer-thin ham (10g) FREE −0.5 syns
Tinned Mackerel In brine or water (100g) FREE −0.5 syns

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