Mix frosty mixture of 1 cup of mayo, 4-5 tsp of mustard. Mix well, taste it, add more mustard to your liking. Set aside.

Cut 1 heard of Cauliflower into about 2-3 inch in size. Put in a strainer and rinse under cold water

Place Cauliflower in a microwave safe 2 quart dish with a cover. Add 1 cup water, add salt and stir to get salt mixed in. You may add more or less salt. Microwave covered for 8 min. Check with a fork to a firm and not mushy textute. Stir lightly and cook for 2 more minutes. Must be firm and fork should go through. Drain out all water and let stand with no cover for a couple of minutes so water evporates.

Now the best part. Spread mayo mixture over cauliflower then add cheese. You can more cheese to cover all over the top. Microwave for 2 mimutes or untill the cheese melted