01 -
Preheat the oven to 450 degrees Fahrenheit (230 degrees Celsius).
02 -
Combine butter, Dijon mustard, lemon juice, garlic, and parsley in a small saucepan over medium heat; heat until butter is fully melted, then remove from heat.
03 -
Place the shrimp in a single layer in a shallow baking dish.
04 -
Pour the warm butter mixture evenly over the shrimp.
05 -
Bake in the preheated oven for 12 to 15 minutes, or until the shrimp turn pink and opaque.