tasha's creamy tuna noodle casserole

Ingredients

• 1 package egg noodles ( used 16 oz bag)
• 1 can (family size) cream of mushroom soup
• 1 can milk(just filled the can from the soup)
• 1 package cream cheese (8 oz)
• 1 - ranch dressing ( i just added a squirt for taste its optional so as little or as much as you want .. i love it like this but you may not so its not needed and does not really effect the taste all that much)
• 1 cup shredded cheese ( any kind will work i like colby jack in mine)
• 1 tablespoon butter
• 2 cans tuna fish ( i used 5 oz.. but this is another thing that is as little or as much as you want)
• 1 can peas ( could use fresh or frozen also)
• 1 package ritz crackers
• 1 tablespoon parsley flakes
• 1/4 cup parmesan cheese