all purpose flour bacon bay leaf butter carrot celery chicken broth chicken stock dijon mustard dry white wine egg egg yolk extra virgin olive oil flat leaf parsley flour fresh chive fresh corn fresh ground black pepper fresh ground pepper fresh lemon juice fresh parsley fresh tarragon fresh thyme garlic garlic clove green onion ground beef ground pepper kosher salt lemon juice milk olive oil onion parmesan cheese parmigiano reggiano parsley red bell pepper salt shallot unsalted butter vegetable oil water white onion white wine white wine vinegar worcestershire sauce yellow onion