Ingredients
1 ½ pounds very thinly sliced beef sirloin (I get mine from Trader Joe’s), or ribeye
Salt
Cracked black pepper
¼ teaspoon onion powder
4 tablespoons all-purpose flour, divided use
Olive oil
2 onions, quartered and thinly sliced
10 ounces white mushrooms, sliced
½ teaspoon dried thyme
2 cloves garlic, pressed through garlic press
4 cups beef stock, hot
4 sourdough bread bowls, centers hollowed out and reserved for dipping
4 slices provolone cheese
Preparation
