Name: Pissaladière (French Onion Flatbread)
Prep time: 20 min
Cook time: 45 min
Total time: 2 h 15 min
Yield: 4 servings
Cuisine: French
Ingredients: 1 sheet (approx. 250-300g / 9-10 oz) frozen puff pastry, thawed; 4-5 large yellow onions (about 1.5 kg / 3.3 lbs), thinly sliced; 4 tablespoons (60ml) extra-virgin olive oil, divided, plus more for drizzling; 4 cloves garlic, minced (about 1 tablespoon); 2 sprigs fresh thyme; 1 bay leaf; 1 teaspoon (6g) Diamond Crystal kosher salt (or 1/2 teaspoon fine sea salt), plus more to taste; 1/4 teaspoon freshly ground black pepper, plus more to taste; 1 can (50g / 2 oz) oil-packed anchovy fillets, drained and patted dry; 1/2 cup (80g) Niçoise olives, pitted; 1 large egg yolk, beaten with 1 teaspoon water (optional, for egg wash)

Magic Sous

Pissaladière (French Onion Flatbread) — Magic Sous