01 - Preheat oven to 300°F. Line large baking sheet with parchment paper.
02 - Place saltine crackers in single layer on prepared baking sheet.
03 - Whisk together melted butter, pickle juice, dill, garlic powder, onion powder, red pepper flakes if using, and salt until thoroughly combined.
04 - Generously brush or spoon dill pickle mixture over tops of crackers.
05 - Bake for 12-15 minutes until crackers are crisp and topping is set.
06 - Let cool completely before serving.