1. Fry bacon. When the bacon is done, take them out. There will be some oil left, use the same pan to fry mushroom.
2. Also add in some chopped garlic, sauté with mushroom till brownish.
3. Add in 3 tablespoon pasta stock. Simmer for 2-3 mins.
4. Pour in 1/2 cup milk. Sprinkle shredded cheese. Stir a bit to let cheese melt.
5. Season with salt and black pepper.
6. Add in cooked pasta. Give it a good mix.
7. Top with fried bacon.