United States · North America
Hardtack
Also known as Ship biscuit
A flour-and-water cracker baked and dried until essentially waterless, used for centuries by sailors and soldiers because it can survive years without spoiling.
Method
Flour-Water Only, Fully Dried
Hydration
35%
water to flour
Glycemic index
71
High GI
Energy
400 kcal
per 100 g
Sensory profile
- sourness
- 1
- sweetness
- 1
- crispiness
- 10
- chewiness
- 1
- aroma
- 2
- moistness
- 1
Scale 0–10
Nutrition
per 100 g| Energy | 400 kcal |
|---|---|
| Protein | 11 g |
| Carbohydrates | 82 g |
| of which sugars | 0.5 g |
| Fat | 1 g |
| Fiber | 3 g |
| Sodium | 290 mg |
Typical values; recipes vary.
Texture
- Rock-hard biscuit
- Zero moisture
Typical ingredients
- Wheat Flour
- Water
- Salt
Similar breads
Closest sensory profiles in the Atlas.

