52 baking & cooking items with published storage times, 34 of them with a specific after-opening window.
| Item | After opening | Unopened / other | Store at |
|---|---|---|---|
| Almond extract | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Amaranth (flour, meal) | — | 2 months | Cool, dry pantry away from heat and light |
| Baking powder | 3–6 months | 6–18 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Baking soda | 6 months | 2–3 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Barley (flour, meal) | — | 3 months | Cool, dry pantry away from heat and light |
| Biscuit or pancake mix | — | 9 months | Cool, dry pantry away from heat and light |
| Buckwheat (flour, meal) | — | 1 month | Cool, dry pantry away from heat and light |
| Butter flavor | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Cake, brownie, bread mixes | — | 12–18 months | Cool, dry pantry away from heat and light |
| Chili powder | 2 years | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Chocolate (unsweetened and semi-sweet, solid) | 1 year | 1–2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Cinnamon extract | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Cinnamon rolls (baked) | — | 1–3 days | Cool, dry pantry away from heat and light |
| Cocoa and cocoa mixes | 1 year | Indefinitely | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Coconut flavor | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Coconut flour | — | 9–12 months | Refrigerate at 40°F (4°C) or below |
| Cornmeal (regular, degerminated) | 1 year | 6–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Cornmeal (stone ground or blue) | 2–4 months | 1 month | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Cornstarch | 18 months | 18–24 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Farro (flour, meal) | — | 3 months | Cool, dry pantry away from heat and light |
| Flavored or herb mixes | — | 6 months | Cool, dry pantry away from heat and light |
| Flour (white) | 1 year | 6–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Flour (whole wheat) | 6–8 months | 3–6 months | Cool, dry pantry unopened; refrigerate at 40°F (4°C) or below after opening |
| Frosting or icing | 2–3 weeks | 10–12 months | Cool, dry pantry unopened; refrigerate at 40°F (4°C) or below after opening |
| Garam masala | — | 1 year | Cool, dry pantry away from heat and light |
| Garlic (chopped, commercial jars) | — | 8–12 months | Cool, dry pantry away from heat and light |
| Gelatin (flavored) | 3–4 months | 10–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Gelatin (unflavored) | Not recommended | 3 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Herbs (dried) | 1–2 years | 1–2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Lemon extract | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Millet (flour, meal) | — | 1 month | Cool, dry pantry away from heat and light |
| Nut oils | 6–8 months | 6–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Oats (flour, meal) | — | 2 months | Cool, dry pantry away from heat and light |
| Oils (olive or vegetable) | 4 months | 6–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Pure vanilla extract | 12 months | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Rye (flour, meal) | — | 3 months | Cool, dry pantry away from heat and light |
| Seasoning blends | 1–2 years | 1–2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Shortening (solid) | 6–12 months | 1–2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Sorghum (flour, meal) | — | 2 months | Cool, dry pantry away from heat and light |
| Spelt (flour, meal) | — | 3 months | Cool, dry pantry away from heat and light |
| Spice/spices (ground) | 2–3 years | 2–3 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Spice/spices (whole) | 3–4 years | 3–4 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Sugar (brown) | 18–24 months | Indefinitely | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Sugar (confectioners) | 18–24 months | Indefinitely | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Sugar (granulated) | 18–24 months | Indefinitely | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Sugar substitutes | Indefinitely | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Tamarind paste | 2–3 months | 6–12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Tapiocas | 12 months | 12 months | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Teff (flour, meal) | — | 2 months | Cool, dry pantry away from heat and light |
| Vegetable oil sprays | 1 year | 2 years | Cool, dry pantry, sealed — refrigerating after opening is optional and mainly preserves quality |
| Whole wheat flour | — | 2 years | Cool, dry pantry, or refrigerate at 40°F (4°C) or below to keep it longer |
| Yeast (packaged) | 4 months | 2 years | Cool, dry pantry unopened; refrigerate at 40°F (4°C) or below after opening |