2 sleeves buttery round crackers (such as Ritz®), crushed
3 tablespoons lemon juice
4 teaspoons garlic powder
Preheat oven to 250 degrees F (120 degrees C).
Melt butter in a saucepan over medium heat. Fold shrimp into melted butter to coat. Mix cracker crumbs, lemon juice, and garlic powder into shrimp; transfer into a 9-inch square baking dish. Cover dish with aluminum foil.
Bake in the preheated oven until bubbling, about 45 minutes.