Step 1

Preheat the oven to 375℉ and position your rack in the middle of the range.

Step 2

Using your unsalted butter, generously coat your 10-inch cast iron or gratin dish with the butter and set aside.

Step 3

Whisk the eggs with the sugar in a medium bowl of your KitchenAid stand mixer.Add the milk, and slowly add flour, vanilla, and salt. Whisk to combine well, and no lumps form in the batter.

Step 4

Arrange the peach halves in a single layer in the pan or gratin dish.

Step 5

Pour the batter evenly around the peaches, then sprinkle with the almond slivers.

Step 6

Bake the clafoutis until it puffs up and is lightly golden brown around the edges. It takes around 30 to 35 minutes.

Step 7

Place the skillet on a wire rack and let it cool off for about 10 minutes.

Step 8

Serve warm or at room temperature. Dust powdered sugar over the peaches and serve.