Why Doubling a Recipe Isn't Always Doubling Everything

Most recipe scaling advice is "multiply everything by the same factor." This works for ingredients but fails for cooking times, pan sizes, and seasoning. Understanding why requires a bit of physics and a lot of kitchen experience. Linear scaling works for most ingredients A recipe serving 4 that calls for 2 cups of flour needs 4 cups to serve 8. This linear relationship holds for most structural ingredients: flour, sugar, butter, milk, eggs, meat, vegetables. Double the servings, double the ingredients. The math is simple division and multiplication. If the original serves 4 and you need 6: scaling_factor = 6 / 4 = 1.5 new_amount = original_amount * 1.5 For 2 cups of flour: 2 * 1.5 = 3 cups. Where linear scaling breaks Seasoning and salt. Salt perception is not linear. A recipe using 1 teaspoon of salt for 4 servings doesn't need 4 teaspoons for 16 servings. Start with 3 teaspoons and adjust. The same applies to strong spices (cayenne, cinnamon), acids (vinegar, lemon juice), and aroma