Savory Crab Stuffed Mushrooms — Elegant, Easy, and Ready in 30 Minutes!

(Makes 24 stuffed mushrooms)

24 large cremini (baby bella) or white button mushrooms, stems removed

¾ lb (12 oz) lump crabmeat, picked over for shells

2 tbsp fresh lemon juice

1 cup panko breadcrumbs, divided

1 cup (2 sticks) unsalted butter, melted, divided

1 cup grated Parmesan cheese, divided

3 tsp Dijon mustard

2 tsp prepared horseradish (not horseradish sauce)

1 tsp garlic powder

½ tsp onion powder

2 tbsp fresh parsley, finely chopped