Bacon Mac'n'Cheese

2 cups elbow pasta, cooked al dente
8 ounces Cheddar Cheese, 1/2 cubed, 1/2 shredded
8 ounces Colby Jack Cheese, Cubed
8 ounces Spicy Cheese, Cubed (I used a spicy buffalo cheddar cheese)
2 tsp Flour
1/2 tsp Salt
1/2 tsp Pepper
1/2 tsp Dry Mustard
4 Tbsp Sour Cream
1 Egg, beaten
1 cup Heavy Cream
1 cup Half and Half
6 pieces Bacon, cooked and Crumbled

 Preheat oven to 350 degrees.
In a bowl toss pasta with cheese cubes and pour into a baking dish. Set Aside.
In another bowl mix together flour, salt, pepper and mustard. Add sour Cream, egg, heavy cream and half and half. Pour over pasta cheese mixture. Cover with shredded cheese. Bake uncovered 35-45 minutes. Add bacon on top and continue to bake another 10 minutes.