Cacio e Pepe (Cheese & Pepper pasta)
1/2 lb. spaghetti
2 tbsp. butter
1/4 cup parmesan or pecorino cheese
1 tsp black pepper.
Cook pasta according to directions on package. Reserve 1/2 cup pasta water in a medium pan, heat up butter and pepper, toss in pasta, pasta water, and cheese.
Coat well for a few minutes and serve.