pepper jack cheese
Also known as: pepper jack
Monterey Jack cheese with hot peppers, usually jalapeno, blended in, so it carries Jack's smooth, high-moisture melt along with scattered heat and flecks of pepper. The heat is generally mild -- closer to background warmth than a chile-forward bite.
Buying guidance
Buy a block and grate it yourself when a smooth melt matters; pre-shredded bags are coated with anti-caking starch that keeps the cheese from melting as evenly. Pepper content varies a lot by brand -- some jars are barely spicy, others carry visible seed and real heat -- so taste a piece before relying on it as a dish's main source of spice.
Substitutions
- Plain Monterey Jack plus a pinch of cayenne or diced pickled jalapeno -- lets you control the heat level directly.
- Colby jack -- milder and sweeter, with no heat, but the same easy melt.
- Mild cheddar -- sharper flavor and firmer texture, still melts well.
Tips & common mistakes
As a semi-soft, high-moisture cheese, pepper jack separates into a greasy pool more readily than a harder aged cheese if it's melted over high heat -- keep the heat moderate to low and add it gradually rather than dumping it all in at once.
Storage
Being softer and higher-moisture than a cheese like Parmesan or provolone, pepper jack has a shorter refrigerated life and is more prone to surface mold -- check it before each use rather than assuming a wrapped block keeps as long as a hard aged cheese would.