Step 1

Preheat the oven to 375° and lightly grease a baking dish.

Step 2

Rinse whole mushrooms under cold water and pat them dry with a paper towel. Carefully pop off the mushrooms stems, right where it connects to the cap.

Step 3

Preheat a saute pan and 1 tbsp of olive oil on medium high heat. Saute diced mushroom stems and diced onion until starting to caramelize. Press garlic into the onion/mushroom mixture and saute just until fragrant. Add cooked veggies into a mixing bowl.

Step 4

Sift through the crab meat thoroughly with your fingers to make sure there are no pieces of shells accidentally left behind and add crab meat to the mixing bowl.

Step 5

Add all remaining ingredients for the filling to the mixing bowl and mix very well until all combined.

Step 6

Set mushroom caps in a slightly greased baking dish, cup up. Generously fill each cap with stuffing mixture, pressing down lightly with your finger to fit a little bit more.

Step 7

Sprinkle with some grated Parmesan cheese over the top of stuffed mushrooms.

Step 8

Bake stuffed mushrooms for about 20 minutes (about 25 for larger mushrooms).