Cinnamon Bun (UK Price, Calories & Allergens 2026)
The Cinnamon Bun at Costa is an indulgent bakery classic priced at £3.25 for a 123-gram portion. With 447 calories per bun, it is a rich, calorie-dense option featuring a sweet, spiced profile that makes it more of a dessert-style treat or satisfying snack than a light meal. This item appeals to those who enjoy a comforting, flavourful pastry filled with cinnamon and topped with cream cheese icing.
This cinnamon bun’s flavour is driven by a cinnamon filling enhanced with dark brown sugar and cassia, combined with a cream cheese icing that adds both sweetness and a tangy depth. The inclusion of free-range egg and wheat flour lends a familiar bakery softness and structure, supporting its indulgent character. It is suitable for vegetarians but contains allergens including wheat, egg, milk, and a tree nut source, which are important considerations for some customers.
Due to its richness and sweetness, this bun suits occasions like an afternoon pick-me-up or a decadent breakfast option rather than a light snack or lunch replacement. The balance of fat, saturates, and sugars is on the higher side, reflecting its standing as a comfort food designed to satisfy cravings for sweet, spiced pastries.
| Nutrient | Per 100g | Per Portion (123g) |
|---|---|---|
| Energy (kcal) | 365 | 447 |
| Energy (kJ) | 1531 | 1875 |
| Carbohydrates (g) | 52.7 | 64.6 |
| Sugars (g) | 24.5 | 30 |
| Fat (g) | 14 | 17.2 |
| Saturates (g) | 5.7 | 7 |
| Fibre (g) | 2.1 | 2.6 |
| Protein (g) | 5.9 | 7.2 |
| Salt (g) | 0.42 | 0.51 |
Quick Takeaways
- Contains 447 kcal per 123g serving, making it a calorie-rich indulgence.
- Key flavours come from cinnamon, dark brown sugar, and cream cheese icing.
- Suitable for vegetarians but contains wheat, egg, milk, and tree nut allergens.
- High in sugars (30g) and saturates (7g) relative to portion size.
- Portion weight (123g) places it as a substantial bakery snack or dessert.
- Not suitable for vegans due to egg and dairy ingredients.
A Classic Bakery Indulgence
The Cinnamon Bun is a pastry in the sweet treat category, built around a signature cinnamon filling with warm, spiced notes from cinnamon and cassia. The filling’s sweetness comes from dark brown sugar, supported by an enriched dough that includes free-range egg, enhancing richness and baked texture. The bun is finished with a cream cheese icing, which introduces a smooth, tangy contrast to the sugary filling, amplifying the indulgent profile.
This combination steers the cinnamon bun firmly into the indulgent segment of Costa’s bakery range, appealing to those who enjoy a traditional confectionery pastry with a noticeable spice and dairy flavour depth. It is unlike lighter snack options or savoury bakery items, offering a richly sweet eating experience.
Sweet Spiced Softness for Comfort
The cinnamon and cassia provide distinct spiced notes, while the dark brown sugar and cream cheese icing contribute layers of sweetness and creamy complexity. The inclusion of free-range egg within the cinnamon filling adds a subtle richness that anchors the flavours together. This results in a comforting and satisfying flavour balance that feels both classic and thoughtfully crafted.
Given its dense carbohydrate content (64.6g) and high sugar level (30g), this bun is most suitable when craving a sweeter, more substantial bite, rather than a light, fresh option. The fat content (17.2g) together with 7g saturates points to a richer pastry, reinforcing its place as a treat rather than a staple meal item.
Portion Size and Nutritional Impact
At 123 grams, the cinnamon bun offers a focused serving size that delivers 447 kcal, signalling a filling, energy-rich snack or dessert alternative. With 7.2g protein and 2.6g fibre, it is moderate in protein and fibre, but its nutritional strengths lie more in delivering indulgence than balanced nutrition.
This bun’s nutritional profile supports its role as an occasional luxury rather than an everyday meal replacement. The moderate salt content (0.51g) and noticeable sugars underline its sweet and savoury balance but also suggest it should be considered within the context of the overall day’s intake.
Who Should Consider Ordering It?
This item is well suited to vegetarians who are looking for a sweet, indulgent bakery option with a layered flavour experience. It works well for those seeking a rich pick-me-up during the day or a dessert-style bakery choice. Because of its allergen content—wheat, egg, milk, and tree nuts—it is not suitable for people with sensitivities to these ingredients. Those avoiding dairy or eggs will need to skip this product, as will anyone requiring gluten-free options. Its higher calorie and sugar content means it may be less appealing for customers seeking low-calorie or low-sugar snacks
Allergen and Dietary Suitability Summary
This cinnamon bun contains wheat (gluten), egg, milk, and traces of tree nuts. It is clearly marked as vegetarian friendly but is unsuitable for vegans due to egg and dairy ingredients. Awareness of these allergens is essential for customers with dietary restrictions or allergies.
Frequently Asked Questions
Disclaimer
Prices shown are typical UK menu estimates for 2026 and may vary by store location, promotions, delivery services, or eat-in vs takeaway pricing. Nutritional values are based on standard drink configurations and may change depending on size, milk choice, extras, or recipe updates made by the brand.