Heat oil in a skillet over medium high heat on the stovetop.
Pat the stew meat dry with a paper towel and then evenly sprinkle with the salt and pepper.
Working in batches add the meat to the heated skillet and cook for 1 minute until seared, then turn the meat to continue cooking the other side to sear.
Once seared on all sides, remove the meat and set aside. Continue until all meat has been seared.
Add the diced onion to the skillet and cook until softened. Add in the garlic and cook an additional 30 seconds. Pour 1/2 cup of broth into the skillet and scrape the bottom of the pan with a wooden spoon to deglaze.
Pour the broth and onions into the slow cooker.
Add the remaining broth, Worcestershire sauce, dijon, parsley and paprika to the slow cooker. Stir this together.
Add the meat back in and any juices that have accumulated.
Cook on low 6-8 hours, taste and adjust for salt as needed.
During the last hour of cooking, combine 1/4 cup of cornstarch with 1/2 cup of the broth from the slow cooker in a small bowl. Whisk this together until smooth, then pour back into the slow cooker.
Cook an additional 30 mins to 1 hour on High to thicken the gravy.
Serve over mashed potatoes, rice, or polenta.
Top with fresh herbs as a garnish.