Add more unsalted liquid, such as water, broth, or stock
Add more of the main ingredients, such as vegetables, beans, rice, pasta, or meat
Add a peeled potato and simmer, then remove it
Stir in a dairy ingredient, such as cream, milk, yogurt, or sour cream
Add an acid, such as lemon juice or vinegar, in small amounts
Add a sweetener, such as sugar, honey, or maple syrup, in small amounts
Serve with unsalted rice, bread, or crackers
Dilute the soup and adjust other seasonings as needed
Add a starch slurry or extra grains to absorb some saltiness
Balance with herbs and spices that are not salty
Freeze a portion and mix it later with an unsalted batch