Hardtack Bread
Hardtack is a dry, dense, long-lasting biscuit made primarily from flour and water.
About Hardtack Bread
Hardtack bread is a very dry, dense baked biscuit made principally from flour and water, usually with little or no added fat or leavening. It is eaten as a shelf-stable bread substitute or broken into soups, stews, and other moist dishes. Its defining feature is its low-moisture, dense structure.
The biscuit is characteristically rigid, pale to brown, and perforated or scored in some versions. Its texture is hard and brittle when dry, with a plain, flour-based flavour that may include salt in some formulations. It may soften after absorbing liquid, changing from a rigid biscuit into a more yielding component of a dish.
Hardtack may be sold as plain rectangular biscuits, squares, or irregular pieces. Thickness and baking intensity affect its colour and hardness, while commercial or regional versions may include salt or other minor ingredients. It is generally used dry or soaked, and preparation changes its texture more than its basic appearance.
- Ingredient type
- whole food
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Main dishes
Ingredient connections awaiting review · Coverage is still growing, including packaged snacks.
Name examples awaiting language review. Confirm the specific food or product.
Local names for hardtack bread
Names and romanised forms to recognise on menus and labels.
hardtack
ship's biscuit
biscuit de mer
Hartkeks
galleta marinera
galletta
bolacha do mar
scheepsbeschuit
suchar
галета
galeta
галета
haleta
skeppsskorpa
skibsbrød
skipskjeks
ハードタック
hādo takku
船用硬饼干
chuányòng yìng bǐnggān
hādo takku
Romanised form
haleta
Romanised form
chuányòng yìng bǐnggān
Romanised form
galeta
Romanised form
Available names only. Languages may be spoken in other countries; a name alone does not identify every ingredient in a dish.
Name not available yet.
A name in English has not been added for hardtack bread. Choose another language to see its available names.
Hardtack Bread nutrition & diet
Hardtack Bread nutritional value
Reference: Common wheat, bread, hardtack
Per 100 g of 100 g edible portion in the named official reference form.
- Calories
- 386kcal
- Protein
- 9.5g
- Carbs
- 78.8g
- Fat
- 4.4g
Official national food-composition reference. The displayed food form is part of the estimate; cultivar, recipe, brand, processing and preparation can change values.
Portions & preparation
Use the edible biscuit portion as sold, accounting for its dense, dry texture and the likelihood of eating it with spreads, soups, or beverages. Reference the actual recipe, flour type, salt, and any added fat or sweetener rather than assuming all hardtack is identical.
Compare the right form: Reference should match dry, baked hardtack made from the specified flour and water, including any salt, fat, sweetener, or added grain.
Diet considerations
Plant-derived when made only from cereal flour, water, and seasonings, but recipes can include animal fat, dairy, or other additions. Cereal flour determines its carbohydrate pattern, while coatings, flavorings, and mixed-grain recipes change compatibility. Confirm the flour identity and preparation before applying diet labels.
AI-authored reading notes · Awaiting editorial review. Measured values, where available, have a separate source above.
Dietary compatibility
- VeganNot established
- VegetarianNot established
- PescatarianNot established
- KetoNot established
- PaleoNot established
- Low-carbNot established
- HalalNot established
- KosherNot established
What these diet assessments mean
- Vegan · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Vegetarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Pescatarian · Not established
- The available profile does not establish the full composition or processing for this dietary pattern.
- Keto · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Paleo · Not established
- The ingredient form and processing have not been assessed against this dietary pattern.
- Low-carb · Not established
- A defined serving and sourced carbohydrate data are needed before assessing this dietary pattern.
- Halal · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish halal status.
- Kosher · Not established
- Sourcing, processing and any applicable certification have not been verified. A food name alone does not establish kosher status.
For the plain ingredient · Awaiting review. Diet compatibility is not allergy suitability or halal/kosher certification. Keto and low-carb depend on the portion.
AI-generated illustration for visual context. It does not identify a particular product or establish allergen content.
Sources & review
Nutrition reference: Standard Tables of Food Composition in Japan 2023, corrected March 2026 — 01030 ↗. Values are scaled from 100 g of the recorded edible form. Individual portions have no assumed fixed weight.
Expanded overview, name examples and nutrition notes are database drafts awaiting editorial review. Numeric nutrition values, where shown, have their own source and food-form reference.
The ingredient description and dish connections come from the draft catalogue and may change after review.
Last recorded verification: .