Making Cheesy au Gratin Potatoes 20. Into the Oven Put the baking dish into the preheated oven (325 degrees F). It will need to bake about 60 minutes. Check at 50 minutes and remove when the top shows light browning. ⇦ Back to Step 19 On to Step 21 ⇨Return to au Gratin Potatoes - Page 3 |