Why Cooking Times Change
High Altitude Cooking
At elevations above 3,000 feet, water boils at a lower temperature (about 1°F less for every 500 feet). This means:
- Roasting & braising — Add about 10—25% more cook time depending on altitude (3,000 ft ≈ +10%, 10,000 ft ≈ +25%).
- Baking — Increase oven temperature by 15—25°F; reduce baking time slightly for cookies and quick breads. Adjust leavening and liquid.
- Boiling — Pasta, rice, and boiled eggs will take significantly longer at high altitude.
Method Conversion
Converting from oven to slow cooker? Slow cooker (Low) ≈ 8 hours = oven 1.5—2 hours. Air fryers cook roughly 20—30% faster than conventional ovens. Pressure cookers reduce time by 60—70%.
Meat Safety
Always use a meat thermometer. The USDA recommends minimum internal temperatures: poultry 165°F, ground meats 160°F, beef/pork/lamb 145°F with a 3-minute rest.