Cream shortening and sugar; beat in vanilla, lemon juice and banana. Stir in flour and baking powder, then raisins. Bake in cup cake tin at 350 °F for about 20 - 25 minutes.
This recipe is from the UK and the poster states "I think cup cake cases here may be smaller so they may need (to bake) longer."
Corn Substitutions: Corn is a common ingredient in products. Starch, modified food starch, dextrin and maltodextrin can be from corn. Consult with your physician to find out which corn derivatives you need to avoid. Many corn-free options are available in the US. Find out more about corn substitutions.
Gluten: Gluten is a protein found in specific grains (wheat, spelt, kamut, barley, rye). Other grains are naturally gluten-free but may have cross-contact with gluten-containing grains. Look for certified gluten-free products if you need to avoid gluten. Find out more about wheat and gluten substitutions.