Boil Elbow Macaroni as per box instructions. Keep it aside.
Melt 4-5 tbsp of butter in a pan.
Add minced garlic. Saute on low/medium heat for couple of minutes until the raw smell of garlic is gone. Do not brown the garlic.
Add sliced leek along with ½ tsp of salt. Keep cooking on medium heat until they are soft and almost wilted like but not mushy.
Add 1 cup of whole milk. Once it is warm, add cubed velveeta cheese.
Keep stirring until the cheese is melted. The sauce should get creamier and thicker.
Add boiled Elbow Macaroni. Mix well.
Add ¼ cup of cream cheese. Mix well.
Add freshly ground black pepper and sriracha sauce.
Mix well and Serve it pipping hot!