Write the next sentence in the following story.

How to make fish stew
Saute the onion, garlic, and parsley.
Pour 6 tablespoons of olive oil into a large saucepan or pot over medium-high heat. When the oil shimmers, add 1 medium chopped onion (about 1 1/2 cups).
Stir and cook the onion for about 4 minutes or until it softens a little. Add 3 large cloves of minced garlic and cook it for one minute.