all purpose flour baking powder bay leaf bbq sauce butter carrot cayenne pepper celery chicken broth chicken stock confectioners sugar dry white wine egg egg yolk extra virgin olive oil flour fresh basil fresh corn fresh ground black pepper fresh lemon juice fresh parsley fresh thyme garlic garlic clove granulated sugar grated lemon zest green onion ground white pepper kosher salt lemon juice milk olive oil onion parmesan cheese parmigiano reggiano parsley sea salt shallot sour cream sugar unsalted butter vanilla extract vegetable oil water white wine whole milk yellow onion