Hearty Salisbury Steak in the Slow Cooker

Ingredients
2 lbs lean ground beef
½ cup breadcrumbs
¼ cup milk
1 (1 oz) packet onion soup mix
½ teaspoon dried thyme
¼ cup all-purpose flour
2 tablespoons extra virgin olive oil
1 white onion, sliced
2 (10 oz) cans condensed cream of chicken soup
¾ cup water
1 (1 oz) packet au jus mix
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