Quick Mediterranean bolognaise

Ingredients (6 servings): 1 tablespoon olive oil 500g lean beef mince 1 small brown onion, chopped 2 garlic cloves, finely chopped 1 tablespoon tomato paste 400g can chopped tomatoes 400g can whole peeled tomatoes 1/3 cup semi-dried tomatoes, chopped ¼ cup pitted kalamata olives, halved ¼ cup chopped fresh basil leaves 1 teaspoon dried oregano…