Autumn Galette with Brussels Sprouts and Chestnut Cream

Makes: 4 to 6 servings
Time: About 3 hours, largely unattended

Ingredients

• 1 cup plus 3 tablespoons all-purpose flour, plus more for rolling

• 1/2 cut chestnut or whole-wheat flour

• 3/4 teaspoon salt, or more as needed

• 10 tablespoons olive oil

• 1/3 cup ice water

• 8 ounces fresh chestnuts

• Pepper

• 12 ounces Brussels …