Penne Pasta With Fresh Artichokes Recipe

Ingredients (9)

• 6 tablespoons extra-virgin olive oil
• 2 cups onions, chopped
• 3 cloves garlic, finely chopped
• 8 to 10 medium fresh artichoke hearts, thinly sliced
• 1/2 teaspoon fine sea salt, more as needed
• 1 pound penne pasta
• 5 to 6 tablespoons unsalted butter, room temperature
• 1 1/2 to 2 tablespoons freshly squeezed lemon juice
• 1/4 cup grated Parmigiano-Reggiano, for garnish