A quick comfort-food hack that is NOT how mama used to make it. This is pioneering new frontiers in microwave usage – just make sure everything is fully cooked.
Put the spaghetti into a microwave-safe bowl. Pour in the boiled water to cover, then stir to submerge pasta. Microwave, uncovered, on high for 7 minutes until the pasta is al dente and there is just a bit of starchy water left. Drain.
Add the milk, cheese, mustard and some salt and pepper and mix through. Then put the sausage meat into your mug with the butter