Jello salad is an american salad made with flavored gelatin, fruit, and sometimes grated carrots or (more rarely) other vegetables. other ingredients may include cottage cheese, cream cheese, marshmallows, nuts, or pretzels. jello salads were popular in the 1960s and are now considered retro.because of its many elements, the result has speckled bits of interior color against a colored gelatin background, and so the dish can be appreciated for its colorful visual appeal. for example, a jello salad might have green from a lime-flavored gelatin, brown from nuts or pretzels, white from bits of cottage cheese, and red and orange from fruit cocktail. therefore, it has a "salad appearance" (smal...

Source: Wikipedia