Ingredients

• 3 bunches watercress, trimmed
• 1 ½ cups cherry tomatoes, halved
• 1 small red onion, thinly sliced
• ¼ cup crushed peanuts
• 3 limes, juiced, or more to taste
• 1 tablespoon sesame seeds
• 1 tablespoon garlic oil
• 1 tablespoon fish sauce
• ½ teaspoon salt, or more to taste