Cayenne

Combine potato flesh with butter and green onion; stir until butter is melted evenly into potato. Add salt, black pepper, cayenne pepper, and cheese; stir until cheese is melted. Pour cream and egg yolk into potato mixture; mix to combine. Season with salt to taste.

The chef prepared a spicy sauce for the tacos, adding jalapeños and cayenne pepper for a fiery kick.

This is cayenne pepper.

What's the difference between a cayenne and a jalapeno?

His barbecue sauce could use a hint of cayenne to heat it up a bit.

We speak ill of our neighbours, not from ill-nature, but idleness; satire is only the cayenne of conversation:...