Preheat oven to 350 degrees F. Grease a 9-by-11-inch baking dish.
Cook noodles in salted water according to package directions until tender. Drain and rinse under cold water.
Beat eggs and add milk and sugar. Fold this mixture into drained noodles. Add melted butter, 1 teaspoon salt and cream cheese and mix until well blended. Pour into baking dish.
Combine Frosted Flakes with cinnamon and sprinkle evenly on top of noodle mixture. Bake for 45 minutes until brown.