For a more complex flavor, use a combination of cream, half-and-half, and milk.
No Gruyère? Try Emmental or Cantal instead. [4] X Research source No Parmesan? Try hard Pecorino. [5] X Research source
No cayenne pepper? Try paprika instead. [6] X Research source
For a more tender and moist quiche, stir in ¼ cup (60 milliliters) of milk.
If you added milk, you may have to increase the baking time by 4 to 5 minutes.
Ham and Swiss cheese go especially well together. [17] X Research source