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Sourdough Starter

Published September 2016

Why This Recipe Works

By nurturing a culture of naturally occurring bacteria and yeast, a healthy sourdough starter will leaven bread while also lending it the trademark sour flavor. For a simple, foolproof approach, we began by mixing all-purpose flour with whole-wheat flour, which provided extra nutrition for the developing bacteria and yeasts. We then added enough water to form a wet dough and let it sit at room temperature. After a few days, when it showed signs of life in the form of gas bubbles and a pungent aroma, we began a routine of daily feedings, mixing some of the culture with fresh flour and water to refresh the food supply. After 10 to 14 days, we found that the starter smelled pleasantly yeasty and doubled in volume 8 to 12 hours after the last feeding, a sign that it was ready to use to bake bread.

We also came up with an easy way to maintain the starter between uses. We found that we could refresh the food supply just once a week by letting the culture sit for 5 hours at room temperature after feeding it and then moving it to the refrigerator for storage.

Ingredients

1 1/2 pounds fresh sweet cherries, pitted and halved
1 teaspoon lemon juice
2 teaspoons all-purpose flour, plus 1/2 cup (2 1/2 ounces)
1/8 teaspoon ground cinnamon
4 large eggs
2/3 cup (4 2/3 ounces) plus 2 teaspoons sugar
2 1/2 teaspoons vanilla extract
1/4 teaspoon salt
1 cup heavy cream
2/3 cup whole milk
1 tablespoon unsalted butter

Instructions

Makes 1 starter

We prefer whole milk in this recipe, but 1 or 2 percent low-fat milk may be substituted. Do not substitute frozen cherries for the fresh cherries.

1. Adjust oven racks to lowest and upper-middle positions; place 12-inch skillet on lower rack and heat oven to 425 degrees. Line rimmed baking sheet with aluminum foil and place cherries, cut side up, on sheet. Roast cherries on upper rack until just tender and cut sides look dry, about 15 minutes. Transfer cherries to medium bowl, toss with lemon juice, and let cool for 5 minutes. Combine 2 teaspoons flour and cinnamon in small bowl; dust flour mixture evenly over cherries and toss to coat thoroughly.

2. Meanwhile, whisk eggs, 2/3 cup sugar, vanilla, and salt in large bowl until smooth and pale, about 1 minute. Whisk in remaining 1/2 cup flour until smooth. Whisk in cream and milk until incorporated.

3. Remove skillet (skillet handle will be hot) from oven and set on wire rack. Add butter and swirl to coat bottom and sides of skillet (butter will melt and brown quickly). Pour batter into skillet and arrange cherries evenly on top (some will sink). Transfer skillet to lower rack and bake until clafouti puffs and turns golden brown (edges will be dark brown) and center registers 195 degrees, 18 to 22 minutes, rotating skillet halfway through baking. Transfer skillet to wire rack and let cool for 25 minutes. Sprinkle clafouti evenly with remaining 2 teaspoons sugar. Slice into wedges and serve.

4. Adjust oven racks to lowest and upper-middle positions; place 12-inch skillet on lower rack and heat oven to 425 degrees. Line rimmed baking sheet with aluminum foil and place cherries, cut side up, on sheet. Roast cherries on upper rack until just tender and cut sides look dry, about 15 minutes. Transfer cherries to medium bowl, toss with lemon juice, and let cool for 5 minutes. Combine 2 teaspoons flour and cinnamon in small bowl; dust flour mixture evenly over cherries and toss to coat thoroughly.

5. Meanwhile, whisk eggs, 2/3 cup sugar, vanilla, and salt in large bowl until smooth and pale, about 1 minute. Whisk in remaining 1/2 cup flour until smooth. Whisk in cream and milk until incorporated.

6. Remove skillet (skillet handle will be hot) from oven and set on wire rack. Add butter and swirl to coat bottom and sides of skillet (butter will melt and brown quickly). Pour batter into skillet and arrange cherries evenly on top (some will sink). Transfer skillet to lower rack and bake until clafouti puffs and turns golden brown (edges will be dark brown) and center registers 195 degrees, 18 to 22 minutes, rotating skillet halfway through baking. Transfer skillet to wire rack and let cool for 25 minutes. Sprinkle clafouti evenly with remaining 2 teaspoons sugar. Slice into wedges and serve.

7. Adjust oven racks to lowest and upper-middle positions; place 12-inch skillet on lower rack and heat oven to 425 degrees. Line rimmed baking sheet with aluminum foil and place cherries, cut side up, on sheet. Roast cherries on upper rack until just tender and cut sides look dry, about 15 minutes. Transfer cherries to medium bowl, toss with lemon juice, and let cool for 5 minutes. Combine 2 teaspoons flour and cinnamon in small bowl; dust flour mixture evenly over cherries and toss to coat thoroughly.

8. Meanwhile, whisk eggs, 2/3 cup sugar, vanilla, and salt in large bowl until smooth and pale, about 1 minute. Whisk in remaining 1/2 cup flour until smooth. Whisk in cream and milk until incorporated.

9. Remove skillet (skillet handle will be hot) from oven and set on wire rack. Add butter and swirl to coat bottom and sides of skillet (butter will melt and brown quickly). Pour batter into skillet and arrange cherries evenly on top (some will sink). Transfer skillet to lower rack and bake until clafouti puffs and turns golden brown (edges will be dark brown) and center registers 195 degrees, 18 to 22 minutes, rotating skillet halfway through baking. Transfer skillet to wire rack and let cool for 25 minutes. Sprinkle clafouti evenly with remaining 2 teaspoons sugar. Slice into wedges and serve.

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