1 Cup Mayonnaise
1/2 Cup Buttermilk
2 Tbsp. Finely chopped green onions
1 1/2 Tbsp. Prepared horseradish
1/2 Tsp. Salt
1/8 Tsp. Ground white pepper
12 Cups Mixed salad greens, loosely packed
In a pint jar with a lid, combine mayonnaise, buttermilk, green onions, horseradish, salt and pepper. Secure lid tightly on jar; shake until ingredients are well blended. Set aside. Place greens in a large bowl; pour salad dressing over all; toss; serve immediately.