French Onion Soup
8 servings · 4 × 6 inSoup
1360 g yellow onions, thinly sliced
≈ 43 g unsalted butter
≈ 6 to 12 g fine sea salt
≈ 59 g dry sherry, vermouth or white wine
≈ 0.2 g bay leaf or a few sprigs of thyme
≈ 1920 g beef stock, or chicken or mushroom stock, the more robust the better
freshly ground black pepper, to taste
Toasts and Gratin
320 g slices of country bread or baguette, cut 2 to 2.5 cm thick, one per bowl
≈ 3 g garlic, peeled
≈ 215 g Gruyère, Comté, or Gruyère mixed with Parmesan, grated, about a quarter cup per bowl