Melt butter in a 9x13 pan while oven preheats. Heat oven to 425 F. In a blender, mix eggs and milk; add flour and salt and blend again. Pour mixture into pan with melted butter. Bake 15-20 minutes. The batter will rise but not run over.
Top with fresh strawberries and drizzle with melted chocolate. Sprinkle with powdered sugar (optional). Serve immediately.
Adapted from The Kitchn