Place potatoes, carrots, onion, celery, water and Lipton Golden Onion Recipe Soup & Dip Mix in a large pot. Bring to a boil then cook over medium high heat for 10 - 15 minutes… just until potatoes are fork tender.
Melt butter in a separate sauce pan.
Whisk flour into melted butter and cook 2 minutes.
Slowly whisk milk and cream into the roux.
Continue cooking about 5 minutes until the sauce is thickened.
Pour the sauce into the pot with the potatoes and other vegetables.
Cook the soup for 5 minutes then season to taste and serve topped with cheese, bacon crumbles, green onions and sour cream (if desired).