Pesto french bread pizza

1. Slice french bread in half lengthwise (ie. 2 halves for a 1 lb loaf or 4 "halves" for 2 ½ lb loaves).
2. Spread cut sides of bread with pesto (about 1 cup).
3. Top with black olives and slices of roma tomatoes.
4. Top generously with mozzarella cheese and ¼ to ½ cup parmesan cheese.
5. Bakei in oven until cheese is bubbly.
6. Serve as appetizers or as a main meal.
7. Slice as desired.