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 foaming.
03 - Add scallops in a single layer without overcrowding and sear for 2 minutes without moving until golden crust forms.
04 - Turn scallops over, add remaining 1 tablespoon butter and minced garlic, sear 1 to 2 more minutes while basting with melted butter.
05 - Remove skillet from heat, add lemon juice and zest, swirling gently to combine.
06 - Transfer scallops to serving plates, spoon pan sauce over, garnish with chopped parsley and additional lemon zest if desired; serve immediately.