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