This classic of classics usually contains hard-to-find land snails for which rosemary sprigs are often substituted (don't ask me why). For a simpler version, you can use all chicken: 6 boneless, skinless thighs. If using rice other than Calasparra or Bomba, use only 4 1/2 cups liquid.
Rice salads are a great way to use up bits and pieces of leftover ingredients. The important things are to cook the rice in lots of water, like pasta, so that it isn't starchy and sticky and to dress the rice while it is still warm.