Personal Pasta Bakes | Recipe Reader

Ingredients

• 1 (16-ounce) package rigatoni
• 9 tablespoons extra-virgin olive oil, divided
• 1 large yellow onion, thinly sliced
• 3 large cloves garlic, grated
• 1 1/2 teaspoons kosher salt, divided, plus more, to taste
• 1 (16-ounce) package button mushrooms, sliced
• 4 tablespoons unsalted butter, cut into pieces
• 3 tablespoons all-purpose flour
• 2 cups heavy cream
• 1/4 cup Dijon mustard
• 10 ounces smoked Gouda, shredded
• 1/4 cup plain breadcrumbs
• 1 tablespoon fresh parsley, chopped, for garnish