How can I effectively grow cat grass indoors?

To effectively grow cat grass indoors, you can follow these steps:

1. Choose a shallow container with good drainage.
2. Fill the container with potting soil and sprinkle cat grass seeds evenly on top.
3. Cover the seeds lightly with soil and water gently.
4. Place the container in a sunny spot and keep the soil moist.
5. Once the grass grows to about 4 inches, it is ready for your cat to enjoy.