Can I make these biscuits less spicy?
Absolutely. Skip the cayenne and use smoked paprika only. You still get that smoky flavor without the heat. For an even gentler bite, use mild cheddar instead of sharp cheddar and avoid spicy cheeses like pepper jack.
What is the best cheese to use?
Sharp cheddar is the classic move. Smoked cheddar is excellent if you want extra smoke. Pepper jack adds heat plus melt if you are going for spicy. Whatever you choose, shred it yourself if you can. Pre-shredded cheese often includes anti-caking agents, which can inhibit melting and slightly affect texture.
Can I use buttermilk instead of milk?
Yes, and it is delicious. Buttermilk adds tang and helps tenderness. If you do not have it, make a quick sour-milk substitute: stir 1 tablespoon lemon juice or vinegar into 1 cup milk and let it sit 5 minutes. It is not the same as cultured buttermilk, but it works well here.
Why are my biscuits dense?
Usually one of three things: butter got warm, dough was overmixed, or the oven was not hot enough. Keep the butter cold, stir just until no dry flour remains (lumps are fine), and bake in a fully preheated oven. Also, make sure your baking powder is fresh.
Can I make these ahead?
You can mix the dry ingredients ahead. For best rise, cut in the butter and add liquid right before baking. If you need a head start, scoop the dough onto a lined sheet tray and refrigerate up to 2 hours, then bake.