can i use vegetable oil for shortening?
In baking, shortening cannot replace vegetable oil in a recipe. This is because shortening is considered a solid fat and vegetable oil is a liquid fat, exchanging one for the other will negatively affect the taste and texture of your baked good.
Cooking. In cooking, shortening can be substituted for vegetable oil in a 1-to-1 ratio. Shortening is better as a substitute for vegetable oil than butter for frying, as shortening has a very high smoke point. Butter tends to burn too quickly.