Creating the Best Crab Stuffed Portobello Mushrooms can be simplified by following these clear steps:

1. Preheat the Oven: Set your oven to 375°F (190°C).
2. Prepare the Mushrooms: Clean the portobello mushrooms with a damp cloth and remove the stems. Set aside.
3. Make the Filling: In a mixing bowl, combine cooked crab meat, cream cheese, mayonnaise, Parmesan cheese, breadcrumbs, parsley, garlic powder, onion powder, salt, and pepper. Mix well until fully combined.
4. Stuff the Mushrooms: Generously fill each portobello cap with the crab mixture, ensuring each one is well heaped.
5. Top with Cheese: Sprinkle shredded mozzarella cheese evenly over the stuffed mushrooms.
6. Bake: Place the stuffed mushrooms on a baking sheet and bake in the preheated oven for 25-30 minutes, or until the tops are golden and the mushrooms are tender.
7. Cool and Serve: Remove from the oven and allow them to cool for a few minutes. Plate and enjoy!

By following these instructions, you’ll create a dish that is not only delicious but incredibly satisfying.