all purpose flour bacon bay leaf butter carrot cayenne pepper celery chicken broth chicken stock clove garlic dijon mustard dry white wine egg egg yolk extra virgin olive oil flat leaf parsley flour fresh basil fresh chive fresh corn fresh parsley fresh rosemary fresh thyme garlic garlic clove green onion kosher salt lemon juice milk olive oil onion parmesan parmesan cheese parmigiano reggiano parsley red bell pepper salt shallot sour cream sugar unsalted butter vegetable oil water white wine worcestershire sauce yellow onion yukon gold potatoes