French Onion Baked Lentils and Farro

• servings: 8 servings
• total time: 1 hour 45 minutes

Ingredients

2 pounds (910 grams) yellow onions (4 large or 5 medium), sliced

2 tablespoons (30 grams) unsalted butter

1 tablespoon (15 grams) olive oil

Kosher salt and freshly ground black pepper

2 tablespoons (30 ml) dry sherry, vermouth, or white wine (optional)

2 cloves garlic, minced

1 1/2 cups (300 grams) dried farro

3/4 cup (135 grams) dried lentils, any variety, but green (le puy) or brown (italian) are my favorites here

A few sprigs of fresh thyme

6 cups (1.4 liters) vegetable broth + splashes more, if needed

2 cups (8 ounces or 225 grams) coarsely grated gruyere cheese