Tagliatelle with Poppy Seeds and Prosciutto | Saveur

Ingredients

• 2 tbsp. unsalted butter
• 2 tbsp. extra-virgin olive oil
• 2 large shallots, thinly sliced
• Kosher salt and freshly ground black pepper, to taste
• 2 tbsp. poppy seeds
• ¹⁄₂ cup white wine
• ¹⁄₂ cup buttermilk
• ¹⁄₂ cup heavy cream
• 1 lb. tagliatelle or fettuccine
• 2 oz. prosciutto, thinly sliced
• ¹⁄₂ cup finely grated Parmesan, plus more to garnish
• 4 scallions, cut into 1/2″ slices
• Juice of 1/2 lemon