Beef with lemon

stock 2 large soup bones with meat 1 cup madeira wine or 1 cup other cooking wine 2 carrots , roughly chopped 1 onion , sliced 2 garlic cloves , smashed 3 bay[...]

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[...]