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1
Cut beef into fist size pieces and put into crockpot.
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2
Add au jus mix (dry), italian seasoning mix (dry), french onion soup mix, beer (optional) and onion flavored beef broth to crockpot.
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3
Stir until all seasonings are well incorporated.
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4
Cover and cook on high for about 3 hours.
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5
For very robust flavor, pour the entire jar of pepperocini's with the juice into the crockpot.
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6
Do not drain, the vinegar in the juice helps tenderize the beef and gives a good flavor.
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7
For a more mild or less tangy flavor, remove the seeds and stems from the peppers and use half of the vinegar. I PREFER THIS TASTE. It will still have lots of flavor, just not quite as spicy.
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8
Cover and continue to cook on high for 2-3 hours.
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9
Cut onions into small strips (slices) and add to crockpot.
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10
Cover and cook until meat begins to tenderize and fall apart (about 2 hours).
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11
Remove the beef and tear (shred) into small pieces.
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12
Return beef to crockpot and continue cooking until meat is done and onions are soft which is usually about 2-3 more hours.
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13
I've tried them all and this is my personal favorite because of the flavor and the bread doesn't get as soggy.
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14
Sliced provolone cheese is completes the sandwhich.