The Best Roasted Pumpkin Seeds Ever For every 2 cups of pumpkin seeds: 3 tablespoons butter, melted 1/2 – 3/4 teaspoon seasoned salt 1/8 teaspoon garlic salt 2 teaspoons Worcestershire sauce. Preheat oven to 300 Combine the butter, seasoned salt, garlic salt, Worcestershire sauce and pumpkin seeds. Mix thoroughly and place in shallow baking dish. Bake for 45 minutes to 1 hour, stirring every 15-20 minutes – until seeds are crunchy and golden brown. @Allison Osterdahl