Heat oven to 400 degrees F.
In mixer, whisk together flour, baking soda, salt and sugar
Drizzle olive oil in flour until blended, about a minute.
In separate bowl, whisk together egg, milk, basil and garlic.
Pour egg mixture into mixer and beat on medium until just blended,
Turn out onto parchment paper and knead in cheese and tomatoes.
Form into small disk, about 1 1/2" x 5" W.
Slice with floured knife and separate pieces slightly.
Brush tops with a little milk and bake for about 20 minutes until light golden brown on edges.