Preheat the oven to 375°F and line a baking sheet with parchment paper.,
STEP 2
Wipe the mushrooms with a damp cloth to clean, then remove the stems and set them aside.,
STEP 3
Finely chop the stems.,
STEP 4
Heat the oil in a skillet over medium heat. Add the shallots and cook for 2-3 minutes until softened, then add the garlic and chopped mushroom stems, cooking until the mushrooms release and lose their moisture, about 3-4 minutes. Set aside to cool slightly.,
STEP 5
In a bowl, mix together the crab meat, softened cream cheese, egg, breadcrumbs, Parmesan, parsley, and chives. Stir in the cooled shallots and garlic, blending well. Season with salt and pepper.,
STEP 6
Stuff each mushroom cap generously with the crab mixture, pressing down lightly to secure the filling.,
STEP 7
Bake the stuffed mushrooms on the baking sheet or in a casserole dish for 20-25 minutes.,
STEP 8
While they bake, combine the melted butter, panko, Parmesan, and parsley for the topping. Sprinkle this mixture over each mushroom and broil for 1-2 minutes until golden brown.,