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1
Preheat oven to 350 degrees.
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2
Place flour in a large, wide bowl and season generously with salt and pepper.
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3
Add beef, dust well on all sides and shake off excess.
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4
Place a large, heavy Dutch oven or roasting pan with a lid over medium-high heat.
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5
Add enough oil to cover the bottom and heat until shimmering.
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6
Working in batches, add beef and sear well on all sides.
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7
Transfer beef to a platter and set aside.
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8
Add celery, onions, peppers, carrots and garlic to pan; if necessary, add more oil.
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9
Saute until vegetables are tender and golden brown, about 15 minutes.
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10
Add wine and 3 cups water.
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11
Stir, scraping the bottom of the pan.
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12
Add rosemary, thyme, bay leaf and parsley.
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13
Stir well, add beef, and stir again to mix well.
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14
Cover, and transfer to oven.
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15
Cook until beef is very tender, about three hours.
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16
Transfer beef to a deep platter and keep warm.
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17
Remove and discard bay leaf.
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18
Using a hand-held immersion blender or stand blender, puree vegetables and any remaining bits of meat in pan juices to make sauce.
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19
Cut beef into slices.
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20
Slice each bread loaf in half lengthwise and crosswise, spread one side with mayonnaise, thickly layer in meat, wet with gravy, and top with lettuce, tomatoes and pickles.