Trim end off tomatoes before slicing so they'll lay flat. Places slices on a plate (or a couple plates) a sprinkle with salt. Let sit for 30 minutes and then pour off the excess juice and pat tomatoes dry.
Place tomato slices on a parchment lined baking sheet sprayed with cooking spray and brush with olive oil.
Combine remaining ingredients in a small bowl and sprinkle on top of tomato slices.
Bake for 8-10 minutes or until cheese is melted and bubbly
Turn off oven and broil for 2-3 minutes to brown the cheese