Iceberg Wedge Salad with Bacon, Croutons and Buttermilk Herb Dressing

buttermilk

sour cream

? cup finely chopped mixed fresh tender herbs (such as tarragon, chive, parsley, and/or dill)

fresh lemon juice

garlic clove, finely grated

Kosher salt and freshly ground black pepper

slices thick-cut bacon (about 1 pound)

country-style bread, crusts removed, torn into small pieces (about 1 cup)

head of iceberg lettuce, cut into 8 wedges

Gorgonzola Cheese, crumbled (optional)