– 1 (12 ounce) package egg noodle – 2 (10.5 ounce) cans condensed cream of mushroom soup – 2 cups shredded Cheddar cheese, divided – 2 (5 ounce) cans tuna, drained – 1 cup frozen green pea – ½ (4.5 ounce) can sliced mushroom – ¼ cup chopped onion – 1 cup crushed potato chip