Good question
That will depend on the recipe.
There is Horseradish, wasabi, Ancho. Ginger, New Mexico, Habanero, Bhut Jolokia (ghost pepper), cinnamon, alspice, clove, nutmeg, lemongrass, lemon pepper, thai, cayenne and many many more.
If you have an allergy to any particular pepper, you should send us an
email and find out which recipes you should avoid.