Cheesy Bacon Ranch Potato Soup

INGREDIENTS

3/4 cup

sour cream

1/4 cup

mayonnaise

1/4 cup

whole milk

1 1/2 tbsp

dry ranch dressing mix

lbs Russet potatoes (, peeled and diced into about 3/4-1" cubes (about 8 medium potatoes))

1 tbsp

extra virgin olive oil

3/4 cup

diced yellow onion ((about 1 small onion))

2 cloves

garlic (, finely minced)

2 14.5 ounce cans

chicken broth*

2 cups

whole milk

1/4 cup

all-purpose flour

6 oz

. sharp cheddar cheese (, divided (about 1 1/2 cups))

1 oz

. finely grated Parmesan cheese ((about 1/4 cup))

freshly ground black pepper

slices bacon (, cooked and chopped (or crumbled if you like it extra crispy))

green onions (, chopped)