Potato and Salmon Casserole

Name: Potato and Salmon Casserole
Ingredients: Nonstick vegetable oil spray; 1 14.75-ounce can pink salmon (with bones), drained; 2 1/2 pounds russet potatoes, peeled, cut into 1-inch pieces; 1 cup low-fat (1%) milk; 4 ounces soft fresh goat cheese (such as Montrachet); 3 tablespoons (packed) freshly grated Parmesan cheese; 2 large eggs; 1/2 cup chopped green onions