Cook the lasagna sheets according to the package instructions until al dente. Drain and set aside.
Preheat your oven to 180°C (350°F).
On a flat surface, lay out the cooked lasagna sheets.
Spread a thin layer of béchamel sauce over each sheet.
Place a few slices of ham and mozzarella cheese on top of the béchamel sauce.
Carefully roll up each lasagna sheet tightly to form a cylinder.
Cut each roll into bite-sized pieces (about 4-5 cm or 1.5-2 inches long).
Lightly grease a baking dish with olive oil.
Spread a layer of tomato sauce on the bottom of the dish.
Place the rolled pasta pieces cut-side up in the baking dish.
Cover the rolls with the remaining béchamel sauce.
Sprinkle the grated Parmesan cheese evenly over the top.
Place the baking dish in the preheated oven.
Bake for 25-30 minutes, or until the top is golden and bubbly.
Garnish with fresh basil leaves before serving.
Enjoy your meal!