Beef with shanks

1 ounce dried porcini mushrooms 1 1/2 cups lukewarm water 4 tablespoons olive oil 2 ounces pancetta , cut into 1/4-inch dice 1 1/2 lbs boneless beef shank or[...]

1 3/4 teaspoons kosher salt, divided 3 pounds cross-cut bone-in beef shanks 1 tablespoon canola oil, divided Cooking spray 2 cups sliced onion 3/4 cup chopped[...]