1, break off the roots of spinach, clean it, cut it into 3 cm pieces, then blanch it in boiling water, and then pull it out to drain and set aside. Cut the red bell pepper into 3-cm julienne strips.

2. Warp open the fresh oyster shells, rinse the oyster meat and shells with running water, then remove the oyster meat and marinate with lemon juice and salt and pepper for about 5 minutes.

3. Heat the oil in a wok over medium heat, add the garlic and chopped onion and sauté, then add the boiled spinach, stir-fry and pepper for a few moments, then season with salt and black pepper and stir-fry evenly.

4. Divide the sautéed spinach and red pepper into 5 equal portions and fill 5 oyster shells with 5 halves of oyster meat, then put 5 oyster meat back into the oyster shells.

5. Finally, sprinkle grated Parmesan cheese on top of the oyster meat and bake in a preheated 200 degree oven for 5 minutes to melt the cheese.