Puree Italian diced tomatoes in a small chopper. Set aside
Preheat oven to 350 degrees
Mix cauliflower, 1/4 cup egg, and 3 oz or 3/4 cup shredded mozzarella together in a bowl until combined
Line a 9 x 5 loaf pan with parchment and lightly spray
Pour mixture into pan about 1 -1/2 inch deep. (It is okay if the mixture does not cover the entire pan)
Bake at 350 for 30 min or until set
Lift the edges of the parchment and place bread with parchment on to cookie sheet
Carefully use a spatula to lift the edges of the dough off the parchment and flip the dough
Bake for an additional 15 minutes at 450 degrees
Take out of oven and with a pizza cutter, slice strips through set dough
Separate slightly
Sprinkle with garlic salt, Italian seasonings and 1 oz or 1/4 cup 2% reduced fat mozzarella or three cheese blend
Continue baking at 450 degrees for about 10 more minutes until cheese is melted
Serve with marinara sauce