Instructions: Lightly saute the garlic and onion in the oil; let cool to room temp. Stir the yeast into the warm water in a large bowl; let stand until creamy, about 10 minutes. Stir in 1 cup water and the garlic and onion with the oil, then stir in the tomatoes. Mix the flour and salt and stir 1 cup at a time into the yeast mixture. Knead on a lightly floured surface, sprinkling with 2 to 3 tablespoons additional flour as needed, until the dough is soft, velvety, and slightly moist, 8 to 10 minutes. BY MIXER: Stir the yeast into the warm water in a mixer bowl; let stand until creamy, about 10 minutes. Using paddle, stir in 1 cup water and the garlic and onion with the oil; then stir in the tomatoes. Stir in the flour and salt. Change to the dough hook and knead until soft, velvety, and elastic, about 3 minutes. The tomatoes will be distinct chunks. BY PROCESSOR: Stir the yeast into 1/4 cup warm water in a small bowl; let stand until creamy, about 10 minutes.

Place the flour and salt in a food processor fitted with the steel blade or dough blade and process briefly to sift. Place the garlic and onion with the oil and the tomatoes on top of the flour. With the machine running, pour the dissolved yeast and the 1 cup cold water through the feed tube as quickly as the flour can absorb it. Process until the dough comes together. Process 30 seconds longer to knead. The dough will be velvety, elastic and salmon colored. Finish kneading briefly by hand on a floured surface, if you want. 1st rise: Place the dough in a lightly oiled bowl, cover with plastic wrap and let rise until doubled, about 1 hour.

Shaping and second rise: Punch the dough down on a lightly floured surface and knead briefly. Shape the dough into a ball. Place on a lightly oiled baking sheet or a peel sprinkled with flour, cover with a towel, and let rise until doubled, about 45 to 55 minutes. Baking: Heat oven to 425 . If using a baking stone, turn the oven on 30 minutes before baking and sprinkle the stone with cornmeal just before sliding the loaf onto it. Make 3 parallel slashes on the top of the loaf with a razor. Brush the top with the egg white. Bake 10 minutes, spraying 3 times with water. Reduce the heat to 375 and bake 25 to 30 minutes longer. Cool completely on a rack.

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