Simmmer.

Step 1 of 6

Potato Gratin with Bacon

Step 1 of 6

Heat the oven and crisp the bacon

Heat the oven to 375°F and butter a baking dish. In a skillet over medium heat, cook the chopped bacon until crisp, 5 to 6 minutes. Lift it out onto paper towels and leave the fat in the pan.

06:00

Save the crispest pieces to go on top at the end, where they stay crunchy rather than softening in the cream.