In a small bowl, mix together cornstarch, sugar, onion powder, garlic powder, salt and pepper. set aside.
Brown ground beef in a large skillet and drain excess fat.
Boil water in microwave safe bowl.
Add bouillon cubes and stir until dissolved.
Add bouillon mixture to skillet and stir to incorporate.
Add 1 and 1/2 cups of milk and stir to incorporate.
Allow remaining milk to come to room temperature.
Add seasoning mixture and stir until blended.
Add egg noodles, stir and bring to a boil.
Reduce heat to low, cover and simmer for 12-15 minutes or until noodles are tender.
Remove from heat and let stand for several minutes to thicken.
Melt butter in a saucepan over medium heat.
Sprinkle flour over melted butter and stir to combine.
Gradually add remaining 1 cup of milk whisking to blend.
Cook for about 5 minutes until thickened.
Gradually add in 1 cup of shredded cheese while whisking until smooth.
Add cheese sauce to hamburger noodle mixture ans stir to blend.
Sprinkle remaining cheese over top and cover.