Mix crab meat, breadcrumbs, Parmesan, egg, mayonnaise, garlic, lemon juice, and seasonings.
Form into small patties and chill for 15–20 minutes.
Heat butter in a skillet over medium heat.
Cook crab cakes for 3–4 minutes per side, until golden and crisp.
Serve warm with lemon wedges and extra Parmesan.
