Substituting Unsalted Butter with Vegetable Oil

The substitution of unsalted butter with vegetable oil significantly affects the flavor profile of baked goods. Butter contributes a rich, creamy, and slightly sweet flavor due to its milk solids, which are absent in vegetable oil. As a result, baked goods made with vegetable oil may taste more neutral and less complex, lacking the subtle sweetness and depth that butter provides. This can be beneficial if the intention is to highlight other flavors in the recipe, such as chocolate or spices, but it might make the overall flavor less rich and satisfying.