Rinse 1 cup rice in a fine-mesh strainer until water runs mostly clear
Add rice to a pot with 2 cups water (for white rice)
Add 1/2 to 1 tsp salt (optional)
Bring to a boil over high heat
Once boiling, reduce heat to low, cover with a tight-fitting lid
Simmer 15–18 minutes (white rice) or 40–45 minutes (brown rice)
Do not lift the lid during cooking
Turn off heat and let stand, covered, 5–10 minutes
Fluff with a fork and serve