4 french onion america test kitchen Recipes

whole roasting chickens, giblets removed and discarded, wings tucked under back, kosher salt (use 1/2 the salt for a kosher chicken) or 1 tsp table salt (use 1/2 the salt for a kosher chicken), ground black pepper, olive oil, onion, chopped medium (about 1/2 cup), celery rib, chopped medium (about 1/4 cup), garlic cloves, peeled and trimmed, bay leaf, fresh rosemary sprig (optional), lemon juice

unsalted butter, cut into 3 pieces, yellow onions, halved and cut pole to pole into 1/4-inch-thick slices (about 4 lb), table salt, water, plus extra for deglazing, dry sherry, low sodium chicken broth, beef broth, fresh thyme , tied with kitchen twine, bay leaf, ground black pepper, baguette , cut into 1/2-inch slices, shredded gruyere cheese (about 2 1/2 cups)

red potatoes , scrubbed and cut into 1/4-inch thick slices, white wine vinegar, salt, pepper, extra-virgin olive oil, dijon mustard, red onion, minced, minced fresh tarragon or 3 tbsp parsley