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1
Pour 1/4 cup warm water into small bowl.
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2
Sprinkle yeast over; stir to blend.
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3
Let stand until yeast dissolves, about 10 minutes.
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4
Whisk remaining 3/4 cup warm water, lukewarm milk, 1 egg and sugar in large bowl to blend.
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5
Stir in yeast mixture.
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6
Add 3 cups flour and stir vigorously with wooden spoon until smooth thick batter forms, about 2 minutes.
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7
Cover bowl with kitchen towel; let rest 15 minutes.
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8
Stir 2 tablespoons oil and salt into batter.
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9
Using wooden spoon, mix in enough flour, 1/2 cup at a time, to form firm and nearly smooth dough.
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10
Turn dough out onto floured work surface.
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11
Knead until dough is smooth and elastic, adding more flour if dough is too sticky, about 10 minutes.
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12
Form dough into ball.
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13
Oil large bowl.
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14
Place dough in bowl; turn to coat with oil.
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15
Cover bowl with plastic wrap, then towel.
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16
Let dough rise in warm draft-free area until doubled in volume, about 1 hour 15 minutes.
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17
Meanwhile, melt butter in heavy large skillet over medium heat.
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18
Add onions and saute until tender and golden, about 15 minutes.
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19
Set aside.
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20
Punch down dough.
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21
Turn dough out onto floured work surface.
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22
Divide dough in half.
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23
Knead each half into ball.
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24
Cover loosely with plastic wrap; let rest on floured surface 10 minutes.
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25
Using rolling pin, roll 1 dough ball to 14-inch round.
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26
Spread half of onions over, leaving 1-inch border.
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27
Cut dough round into 8 wedges.
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28
Starting at wide end of each wedge, roll up toward point.
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29
Place rolls on ungreased heavy large baking sheet, shaping into crescents and spacing evenly.
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30
Loosely cover rolls with plastic wrap.
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31
Repeat with remaining dough ball and onions.
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32
Let rolls rise in warm draft-free area until almost doubled in volume, about 30 minutes.
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33
Position 1 rack in center and 1 rack in top third of oven; preheat to 375F.
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34
Brush rolls with egg glaze.
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35
Sprinkle with sesame seeds.
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36
Bake until rolls are golden and sound hollow when tapped on bottom, switching top and bottom baking sheets halfway through baking, about 25 minutes.
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37
Transfer rolls to racks and cool.
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38
(Can be made 2 weeks ahead.
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39
Cool completely.
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40
Wrap in foil; freeze.
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41
If desired, rewarm thawed wrapped rolls in 350F oven about 10 minutes.)