Travellers wanting one compact snack
If you want one bar to carry, compare its size and cocoa percentage before choosing. The plain-bar examples from Divine, Lindt, Montezuma's and M&S range from 90g to 100g and from 70% to 100% cocoa.
Who is a single bar for?
A single bar keeps the choice focused on the chocolate you intend to eat during the journey, rather than a sharing pack or gift box.
People who already enjoy high-cocoa chocolate
An 85% or 100% bar is a deliberate choice when you prefer a stronger cocoa flavour. M&S offers an 85% bar, while Montezuma's Absolute Black is 100% cocoa with no added sugar, according to the manufacturer.
Travellers checking dietary or allergen information
If milk or another allergen matters to you, read the current ingredients and precautionary statements. A vegan label or a recipe made without milk does not establish that a bar is suitable for someone with a milk allergy.
What should you check?
Choose a cocoa level you expect to enjoy, then check the exact bar's label and how you will carry it.
| Priority | What to check | Your needs |
|---|---|---|
| Cocoa intensity | Compare the stated cocoa percentage and the individual bar's flavour description. Divine describes its 70% bar as having subtle sweetness; Montezuma's Absolute Black is 100% cocoa with no added sugar. | I want a bar I will enjoy eating during the journey, rather than choosing the highest cocoa percentage by default. |
| Ingredients and allergens | Read the current wrapper for ingredients and any 'may contain' statement. The Food Standards Agency explains that precautionary allergen wording signals possible unintentional presence of an allergen. | A vegan claim or milk-free recipe is not enough for my allergy decision; I need to check the statement for this exact bar. |
| Hand luggage | London Gatwick permits solid food in hand luggage. GOV.UK notes that food can obstruct X-ray images and may require a manual check; confirm requirements for your airports and airline. | I want to carry a single solid bar and be able to reach it if security needs to inspect my bag. |
| Storage | Read the bar's storage instructions and keep it away from direct sunlight. M&S specifies a cool, dry place away from sunlight for its dark bars. | I need the bar to remain in good condition until I eat it, including while travelling to the airport. |
Common buying mistakes
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Treating cocoa percentage as a quality score
Montezuma's 100% cocoa Absolute Black has no added sugar and is a different flavour choice from a 70–75% bar. A higher percentage alone does not tell you which one you will want to eat.
If very dark chocolate is unfamiliar, consider a 70–75% option; choose 85% or 100% when that stronger cocoa character is intentional.
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Reading 'vegan' as 'suitable for a milk allergy'
Lindt says its EXCELLENCE 70% bar is made to a vegan recipe but is not suitable for people with a milk allergy. M&S gives a milk-allergy warning for its vegan-labelled 75% and 85% bars.
Check both ingredients and precautionary allergen wording on the current physical wrapper, even for a bar you have bought before.
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Assuming food cannot affect security screening
Although London Gatwick permits solid food in hand luggage, GOV.UK says food can obstruct X-ray images and lead to a manual bag check.
Keep the bar accessible and check the guidance for your departure and transfer airports.
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Assuming a filled bar has the same ingredients as a plain bar
Hotel Chocolat's Better Way Bar combines dark chocolate with praline, crispy biscuit and cherry. Those added components make its ingredient list relevant to the choice.
If you want a straightforward plain bar, select one as such; for a filled bar, read the full ingredients and allergen information for that exact product.
Brand and product-line references
These examples illustrate different single-bar choices; the dietary statements apply to the named products, not every bar from each brand.
Divine
Divine's plain 70% dark bar comes in a 90g format and is described by the brand as having bold cocoa flavour with subtle sweetness.
- A 70% cocoa option for someone seeking a plain single bar.
- The product information says it may contain gluten, milk and nuts.
Lindt
Lindt EXCELLENCE 70% is a 100g plain dark-chocolate bar.
- A 70% cocoa choice in a 100g format.
- Lindt says this vegan-recipe bar is not suitable for people with a milk allergy; it may also contain nuts, soya and sesame.
Montezuma's
Absolute Black is a 90g, 100% cocoa bar for someone deliberately choosing an intense cocoa flavour without added sugar.
- Montezuma's states that Absolute Black has no added sugar.
- The brand says it may contain traces of milk, nuts and peanuts, despite being made without milk ingredients.
Hotel Chocolat
The Better Way Bar combines 70% dark chocolate with praline, crispy biscuit and cherry rather than offering a plain-bar flavour.
- A filled and flavoured option if that is what you want from a travel treat.
- Check the current full ingredient and allergen information for the filled product before choosing it.
M&S
M&S Collection has 100g dark bars at 75% and 85% cocoa for two distinct intensity choices.
- Marks & Spencer lists 25.5g sugars per 100g for its 75% bar and 15.9g per 100g for its 85% bar; the comparison applies to these two products.
- Both product pages say the bars are not suitable for people with milk, nut or peanut allergies.
Single bars on Joybuy
These single bars offer stated cocoa contents of 70%, 72% or 85%, letting you choose between the more moderate and higher-cocoa routes for an airport snack. Check each current wrapper for dietary information and storage instructions.
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Morrisons The Best 72% Cocoa Dominican Republic Dark Chocolate 100g
A 100g single bar with 72% cocoa for someone choosing within the 70–75% range. Check the wrapper for allergens and storage instructions before travelling.
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Green & Black's Dark 70% Chocolate 90g
A 90g single bar with 70% cocoa for a plain dark-chocolate snack. Read its current allergen statement, and keep the bar away from heat while travelling.
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Green & Black's Dark 85% Chocolate 90g
This 90g bar states 85% cocoa, making it a choice for someone who already prefers a more intense dark-chocolate flavour. Check its current allergen statement and protect it from heat.
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Morrisons The Best 85% Cocoa Ecuador Dark Chocolate 100g
A 100g single bar stating 85% cocoa for someone seeking the higher-cocoa route. Read the wrapper for allergen and nutrition information, and store the bar away from direct sunlight.
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Lindt EXCELLENCE 85% Cocoa Dark Chocolate 100g
This 100g bar states 85% cocoa for a higher-cocoa single-bar choice. If allergens matter to you, check the wrapper to distinguish ingredients from precautionary warnings rather than relying on a product listing alone.
Questions about travelling with chocolate
Can I take a solid dark-chocolate bar through airport security?
London Gatwick says solid food can be carried in hand luggage. GOV.UK notes that food may obstruct X-ray images and require a manual bag check, so check the guidance for your departure and transfer airports and airline.
Is a vegan dark-chocolate bar suitable for someone with a milk allergy?
Not necessarily. Lindt says its vegan-recipe EXCELLENCE 70% bar is not suitable for people with a milk allergy, and M&S gives the same allergy warning for its vegan-labelled 75% and 85% bars. Read the current wrapper for the exact product.
What does 'may contain' mean on a chocolate wrapper?
The Food Standards Agency explains that precautionary allergen wording, including 'may contain', communicates that an allergen could be unintentionally present. Check that statement alongside the ingredients if the allergen is relevant to you.
How should I keep a bar before a flight?
Follow the storage directions on its wrapper. M&S instructs buyers to keep its dark bars in a cool, dry place away from sunlight, so avoid leaving a bar in direct sun or a warm vehicle on the way to the airport.