Chicken Tetrazzini Recipe

This creamy, easy Chicken Tetrazzini Recipe is the perfect baked pasta casserole! It’s full of delicious flavors and will keep you full and satisfied. Packed with tender chicken, vegetables, two kinds of cheese, and rich sour cream, it’s also made with gluten-free spaghetti.

Ingredients:

• 1 pound (453 grams) gluten-free spaghetti noodles
• ½ cup (113 grams) unsalted butter, divided
• 2 tablespoons (30 ml) olive oil
• 8 ounces (227 grams) white button mushrooms, sliced
• ½ cup (75 grams) yellow onion, diced
• 3 cloves garlic, minced
• 1 teaspoon onion powder
• 1 teaspoon salt
• ½ teaspoon black pepper
• ¼ cup (32 grams) cornstarch
• 2 cups (480 ml) gluten-free chicken broth
• 2 cups (480 ml) milk (whole milk or 2% milk)
• 1 pound (453 grams) cooked chicken, cut into bite-size pieces (e.g., rotisserie chicken)
• 1 cup (240 grams) sour cream
• ¾ cup (98 grams) frozen peas
• 1 ½ cups (132 grams) mozzarella cheese, shredded
• ¼ cup (20 grams) grated Parmesan cheese
• ¼ cup (60 grams) gluten-free breadcrumbs
• Fresh parsley, for garnish (optional)