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["Combine yeast and 2 c. hot (110@) water in a large bowl; let stand 5 mins.", "Stir in sugar, salt and 5 1/2 c. flour til moistened.", "Spread 1/2 c. flour on a board and scrape dough onto it.", "Knead dough til very smooth and elastic, 10 to 15 mins; add in more flour as required to prevent sticking.", "Place dough in a lightly oiled bowl, cover with plastic wrap and let rise in a hot place til almost doubled, about 40 mins.", "When dough is almost risen, bring 3 qts water to boiling in a covered 4 to 5 quart pan over high heat.", "Meanwhile knead dough on a lightly floured board to expel air then divide into 12 equal pcs.", "To shape bagel, knead each piece into a smooth ball.", "Holding the ball with both hand, poke you thumbs thru the center to create a hole.", "With 1 thumb in the hole, work around the bagel to make it smooth and proportionately thick.", "Set bagels on lightly floured 12 x 15"" baking sheets; let stand covered with plastic wrap just til they are slightly puffy, about 10 mins.", "With your hand, gently slip bagels into boiling water, adding 4 at a time to pan.", "Adjust heat to maintain a gentle boil and turn bagels often til they feel hard but are still slightly spongy, 3 to 5 mins.", "Refrigerateremaining bagels til ready to use.", "With a slotted spoon transfer bagels to a towel; drain briefly, then place bagels slightly apart on 2 lightly oiled 12 x 15"" baking sheets.", "In a food processor or possibly with a knife, coarsely chop cheese.", "Beat egg yolk to blend with 1 tbsp water and brush mix over bagels.", "Then pat cheese onto bagels, pressing gently to make cheese stick.", "Bake bagels in a 375@ oven til browned, 30 to 35 mins.", "Cold on racks.", "Serve hot or possibly cold."]