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1
Heavily season the beef with kosher salt and black pepper.
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2
Rub the garlic powder and onion powder over the beef.
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3
Roll the chuck roast in flour and dust off any excess.
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4
Heat the oil in a dutch oven or other heavy bottom pot.
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5
Once the oil reaches medium heat, sear each side of the beef until golden brown, about 34 minutes each side.
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6
Once browned, remove and place the beef inside the bowl of your slow cooker.
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7
Carefully pour the wine into the dutch oven.
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8
Using a wooden spoon, scrape the bits off the bottom of the pot and allow the wine to boil and reduce by half.
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9
Pour the reduced wine with browned bits and 1 cup beef stock over the browned beef.
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10
Add the thyme sprigs and place the lid on your slow cooker.
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11
Cook the beef on low until the meat falls apart and can easily be shred apart with two forksabout 8 hours depending on the weight of your chuck roast and your slow cooker.
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12
When your pot roast is nearly done and youre almost ready to serve your sandwiches, start caramelizing your onions.
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13
This can take about 4050 minutes and shouldnt be rushed or else the onions will burn.
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14
Melt the butter into the olive oil in a large skillet over medium-low heat.
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15
Add the onions and stir to ensure theyre well coated.
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16
Stir the onions every few minutes to ensure they do not burnlower the heat if necessary.
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17
Continue cooking, stirring low and slow until the onions become deep brown.
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18
Add the remaining beef broth and use a wooden spoon to stir the onions and scrape up any goodies that have formed on the bottom.
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19
Once the broth has evaporated, taste and add salt and pepper as needed.
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20
Stir in the balsamic vinegar and remove the skillet from the burner.
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21
Once the pot roast has cooked and essentially falls apart, take two forks and shred the beef into bit sized pieces.
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22
Allow the pan juices to soak into the beef.
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23
Taste and add additional salt as needed.
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24
Assemble each sandwich by placing a large mound of shredded pot roast with the drippings on the bottom half of a potato bread bun (or bread of your choice).
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25
Top with a few spoonfuls of caramelized onions and shredded cheese.
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26
The heat from the shredded beef should start melting the cheese but if not, place under the broiler for a bit.
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27
Place the other half of the bun on top and serve with hot sauce, chips, fries, etc.
