A delicious, low-carb way to have your pizza, and eat your veggies too.
1-2 Tablespoons of tomato paste make a great sauce without making your pizza soggy. The paste will need to be spread very thinly but will give you the tomato flavor without all the extra moisture.
If you let the pizza cool down some, the crust will hold together better. As Alton Brown says, your patience will be rewarded.
After the pizza has cooled slightly, carefully move to a wire cooling rack with a spatula to prevent the bottom of the crust from becoming soggy.