Cinnamon Sugar Pretzels 1 (16 oz) bag pretzel twists ⅔ cup vegetable oil ½ cup sugar 2 tsp cinnamon Preheat oven to 300 degrees. Pour pretzels into a roasting pan. In a medium sized bowl mix together vegetable oil, cinnamon and sugar. Pour over pretzels and stir to coat. Place in oven and bake for 30 minutes, removing twice to stir.