Only 3 ingredients for perfect Cacio e pepe. Cacio e pepe pasta is for lovers of Mac n Cheese. It’s a simple dish but it delivers amazing flavours. Who would think three ingredients would be possible. A lot of people get this recipe wrong, thinking it’s just a pepper and cheese pasta. Cacio e peppe is much more than that, it’s more like science or alchemy! The grated Pecorino cheese is emulsified into the water creating a smooth and creamy sauce which coats the pasta. The trick is not to over heat the cheese or it will separate. It’s best to stir or toss vigorously until you reach a smooth and velvety sauce. Enjoy perfect Cacio e pepe.