Rotini and Chicken Casserole Recipe

Ingredients

• 1 (16 ounce) package rotini pasta
• 2 tablespoons butter
• 1 pound boneless skinless chicken breasts, cut into bite-size pieces
• 1 onion, chopped
• 1 (8 ounce) package sliced fresh mushrooms
• 1 (10 ounce) package frozen green peas, thawed and drained
• 1/3 cup milk
• 1 (10.75 ounce) can condensed Cheddar cheese soup
• 2 cups shredded Cheddar cheese, divided
• 1/2 teaspoon salt
• 1/4 teaspoon pepper