Preheat oven on broiler setting

In a large bowl, combine the plum tomatoes,sun dried tomatoes,garlic, olive oil, vinegar, basil, salt and pepper.

Allow the mixture to set for 10min.

Cut the baguette into 3/4 inch slices.

On a baking sheet,arrange that baguette slices in a single layer.

Grill for two minutes, until slightly brown.

Divide the tomato mixture onto the baguette slices .

Top the slices with mozzarella cheese

Grill for 5min, until cheese is melted