01 - Pat scallops dry with paper towels and season both sides with salt and black pepper.
02 - Melt 2 tablespoons of butter in a large skillet over medium-high heat until it begins to foam.
03 - Place scallops in a single layer without overcrowding and sear undisturbed for 2 minutes until a golden crust forms.
04 - Turn scallops over, add the remaining 1 tablespoon of butter and minced garlic, then sear for 1 to 2 minutes while basting scallops with melted butter.
05 - Remove skillet from heat, stir in lemon juice and zest, swirling gently to incorporate.
06 - Transfer scallops to serving plates, spoon pan sauce over them, garnish with chopped parsley and extra lemon zest if desired, and serve immediately.