Preheat oven to 375ยบ F, if baking at time of making. Otherwise, skip this step.
Place mushrooms onto a rimmed baking sheet.
Combine crab meat, cream cheese, parsley, onion, cheese, and Stone House Seasoning in a medium bowl. Spoon into mushroom caps. Top each mushroom cap with bread crumbs. Drizzle with olive oil and bake for 20 minutes, or until the mushroom has become tender and juicy and the crab stuffing has warmed throughout. Serve warm.