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Published 2025
| Percentage Adjustment | ||||
| Ingredient | Increase or Decrease | 2500 Feet (750 m) | 5000 Feet (1500 m) | 7500 Feet (2300 m) |
| Baking powder | Decrease | 20% | 40% | 60% |
| Flour | Increase | — | 4% | 9% |
| Eggs | Increase | 2.5% | 9% | 15% |
| Sugar | Decrease | 3% | 6% | 9% |
| Fat | Decrease | — | — | 9% |
| Liquid | Increase | 9% | 15% | 22% |
