1 1/2 pounds shrimp, fresh or frozen (then thawed), peeled and deveined
1/2 cup (1 stick) unsalted butter, melted
3 lemons, thinly sliced
1 (0.7 oz.) packet Italian seasoning
Preheat oven to 350º F and line a baking sheet with aluminum foil or parchment paper.
Place lemon slices in an even layer on baking sheet, then top with shrimp.
Pour melted butter over the shrimp, then sprinkle Italian seasoning on top of everything.
Place baking sheet in oven and bake for 13-15 minutes, or until shrimp is pink and opaque.