Preheat oven to 375F
Boil macaroni noodles in about 5-6 cups of water until Al Dente
Strain macaroni and set aside
Melt the butter
Whisk flour into the butter and cook for about 1 min.
Add in half and half and heavy cream and continue to stir periodically while on medium high heat.
When this comes to a boil, it will thicken.
Fold in cheese, salt, pepper, garlic powder, paprika and sour cream.
Reduce the heat to low and Allow the cheese to melt down into a sauce for about 3 mins.
Add in the cooked pasta and mix completely.
Pour mixture into baking dish and top with more shredded cheese.
Bake about 20 mins until golden brown and bubbly.