Preheat Oven: Set your oven to 300°F (150°C). Line a baking sheet with parchment paper.
Mix Seasonings: Combine melted butter, garlic powder, onion powder, parsley, and salt in a small bowl. Stir well.
Coat Ritz Bits: Place Ritz Bits in a large bowl. Pour the butter mixture over the crackers and toss to coat. Add Parmesan cheese and toss again.
Bake: Spread the coated crackers on the prepared baking sheet. Bake for 10-12 minutes, stirring halfway through.
Serve: Let cool completely before serving.