Potato gnocchi with broccoli and lemon

Ingredients

• Potato gnocchi
• 800 gram desiree potatoes, washed
• 1 egg
• 2/3 cup plain flour
• 1/3 cup parmesan, finely grated
• Broccoli and lemon
• 60 gram butter
• 1 medium head broccoli, trimmed, cut into small florets
• 1/2 lemon, juice of, plus extra wedges to serve
• 1/2 cup parmesan, grated
• parsley, chopped, to serve