Greggs on Keto: Anything Worth Eating

The ketogenic diet requires careful carb management, and fast food chains like Greggs present a challenge. While the bakery is famous for pasties and doughnuts, a few options can fit into a low-carb lifestyle with some modifications.

What to Avoid at Greggs

Greggs’ menu is carbohydrate-heavy. The sausage roll contains 34g of carbs per serving, and a steak bake has 36g—far exceeding the 20-50g daily limit for most people on a ketogenic diet. Sweet items like the Belgian bun (55g carbs) or yum yums (49g carbs) are clearly off-limits.

Potential Keto Options

The breakfast menu offers some possibilities. A bacon roll without the bun provides 2g carbs. At £3.20, it’s one of the more affordable keto-friendly choices. The grilled chicken goujons (3g carbs per 100g) can work if you skip the dipping sauces. Black coffee or tea with a splash of double cream (50p extra) makes a safe beverage choice.

keto meal prep strategies can help when Greggs is the only option. Removing pastry from items reduces carbs significantly, though it defeats the purpose of buying pre-made food.

What This Means in Practice

During colder months when warm food appeals, Greggs’ hot drinks and protein items become more viable. A large latte with whole milk (15g carbs) isn’t ideal, but switching to a small Americano with cream cuts carbs to 2g. Tesco sells double cream for £1.40 per 300ml—cheaper than café prices if you’re near a supermarket.

Metabolic flexibility varies between individuals. Some people can occasionally consume slightly higher carbs without exiting ketosis, as shown in a study by Sumithran et al. (2013) on ketosis and appetite hormones after weight loss.

Nutritional Considerations

Processed meats in sausage rolls and bacon contain preservatives that some choose to limit. The lack of vegetable options at Greggs makes balancing micronutrients difficult. Those with insulin resistance concerns should be particularly cautious with even modified menu items.

Frequently Asked Questions

Can I eat the Greggs vegan sausage roll on keto?

No. While it contains slightly fewer carbs (28g) than the regular version, it’s still far too high for ketosis. The gluten-free flour and potato starch make it unsuitable.

Are Greggs’ salads keto-friendly?

Greggs discontinued its salad range in 2020. Current vegetable options are limited to small portions in sandwiches or wraps, which aren’t practical for keto.

Does Greggs offer any sugar-free drinks?

Yes. Sugar-free Pepsi Max and Diet Coke are available, though some people on keto avoid artificial sweeteners. Still or sparkling water is the safest choice.

The Bottom Line

Greggs isn’t ideal for a ketogenic diet, but with careful selection, you can find workarounds. Stick to unbunned protein items, black coffee, and bring your own low-carb sides when possible. If you’d rather not do the macro maths yourself, the Keto Dieting app does it for you on Google Play and the App Store.

Educational only — not medical advice. This article is for general information. Speak to your GP before changing your diet, especially if you have type 1 or type 2 diabetes, kidney or liver disease, are pregnant or breastfeeding, or take medication for blood pressure, cholesterol, or blood glucose.

References

Sumithran P, Prendergast LA, Delbridge E, et al. (2013). Ketosis and appetite-mediating nutrients and hormones after weight loss. European Journal of Clinical Nutrition. https://doi.org/10.1038/ejcn.2013.90
Bueno NB, de Melo IS, de Oliveira SL, da Rocha Ataide T (2013). Very-low-carbohydrate ketogenic diet v. low-fat diet for long-term weight loss: a meta-analysis of randomised controlled trials. British Journal of Nutrition. https://doi.org/10.1017/S0007114513000548