Preheat oven to 375 degrees.
Brush both side of bread slices with olive oil, place in single layer on baking sheet. Bake for 6-8 minutes (3-4 minutes each side) until both sides are toasted.
Meanwhile, combine together cream cheese, sausage, mozzarella cheese, bell peppers, onion and basil into a large bowl. If desired, add rosemary and cayenne pepper.
Top bread slices with sausage mixture.
Bake for 7-10 minutes until topping is thoroughly heated.
Serve warm. Enjoy.