Grains/Flour
Dry, processed flour

Cassava flourShelf Life, Storage, and Spoilage Guide

Sourced from
USDA FoodSafety.govFDA

Pantry

6-12 months

Store in a cool, dark, dry place in an airtight container to protect from moisture, pests, and odors.

Refrigerator

1 year

Store in an airtight container to prevent moisture absorption and absorption of odors from other foods. Bring to room temperature before use for best baking results.

Freezer

2 years

Store in a heavy-duty freezer bag or airtight container. Freezing helps maintain freshness and prevents rancidity and insect infestation. Bring to room temperature before use.

Signs of Spoilage

  • Mold growth
  • Off-odor, such as a sour or rancid smell
  • Discoloration
  • Presence of pests (weevils, beetles)
  • Clumping or hardening due to moisture absorption

Room Temperature Safety

Not applicable to dry, shelf-stable flour in its original state. The 2-hour rule applies to perishable foods that support bacterial growth.

Not applicable to dry, shelf-stable flour in its original state. The danger zone (40°F–140°F) applies to perishable foods.

Keep dry flour in a cool, dry place away from direct sunlight and heat to maintain quality and prevent pest infestation. Once mixed with liquids or cooked, follow standard perishable food safety guidelines for the prepared product.

Expert Tips

Safe Handling

1

Keep flour dry to prevent mold growth.

2

Store in an airtight container to prevent pest infestation.

3

Avoid cross-contamination with raw meats or other perishable foods.

4

Do not consume raw flour or dough/batter containing raw flour due to potential presence of harmful bacteria like E. coli.

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Comparisons

All-purpose flour
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6-12 months
Fridge
1 year
Freezer
2 years
Almond flour
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2-4 weeks (opened)
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Freezer
1 year
Rice flour
Pantry
6-12 months
Fridge
1 year
Freezer
2 years