Simmer uncovered to reduce liquid
Mash some of the cooked vegetables
Blend a portion of the soup
Stir in a cornstarch slurry
Add a flour slurry
Mix in a beurre manié
Use mashed potatoes or potato flakes
Add cooked rice, pasta, or beans and blend
Stir in cream, yogurt, or sour cream
Add grated cheese
Use pureed lentils or legumes
Add breadcrumbs or crushed crackers
Stir in a roux
Add arrowroot slurry
Add xanthan gum in a very small amount