Preheat oven to 300° F. Melt the butter in a large bowl. Add the saltines, pretzels, sesame seeds, poppy seeds, parsley, chives, dill, smoked paprika, garlic powder, onion powder, chili flakes, salt, pepper, parmesan, and rosemary. Then add the Worcestershire sauce. Gently toss for 3-5 minutes or until the mixture is evenly coated. Spread the mix evenly over 2 rimmed baking sheets.Bake 35-45 minutes, flip halfway through cooking. Serve, or store in an airtight container for up to 1 week. But we loved these best fresh!