Cinnamon Crisps | The Pioneer Woman 1 stick Butter, Melted 3 whole Flour Tortillas (small Size) 1 cup Sugar 1 Tablespoon Ground Cinnamon INSTRUCTIONS Preheat the oven to 350 degrees. Mix together the sugar and cinnamon. Brush butter on one side of the flour tortillas. Sprinkle generously with the cinnamon sugar. Flip tortillas to the other side, then sprinkle on the cinnamon sugar. Bake for 15-17 minutes until very crisp. Remove from oven and allow to cool completely.