Roma tomatoes

* Two roma tomatoes.

* Gray coarse Brittany sea salt

* Mayonnaise made with lots of mustard, ginger powder, sugar, (one egg yolk, 1/4 cup vegetable oil, 1/4 cup olive oil, s/p). It is written, in a book, olive oil goes bitter when whisked. So I thought, how bad could it be if I whisk by hand? That's my new thing -- whisking by hand because I can make a small amount of 1/2 cup oil and not have to worry about storing it. Plus I get to make it again sooner.