In a large 16 ounce microwave safe mug, add in the water and noodles.
Place the mug on a dish to catch any water that may bubble over.
Microwave on high for ~5 minutes.
Give it a quick stir and then microwave for ~2 minutes or until the noodles are al dente. Make sure there is water in your cup (about 2 tablespoon left).
Leaving the water in the cup add in the butter and stir just until melted.
Add in the milk and seasonings, stirring to combine.
Add in the cheeses and stir, stir, stir until creamy and melted. You may need to microwave for another 30 seconds for the cheddar to melt completely.