A flavorful and easy-to-make roast recipe perfect for busy weeknights.
Place the beef roast in the slow cooker.
Ensure the roast fits comfortably in the slow cooker for even cooking.
Spread the mustard evenly over the top of the roast.
Use a brush or spoon to evenly coat the roast with mustard.
Sprinkle the onion soup mix over the mustard-coated roast.
Distribute the seasoning evenly for consistent flavor.
Cover and cook on low for 8 hours.
Avoid lifting the lid during cooking to maintain the temperature.
Strain the cooking liquid to remove fat and transfer it to a saucepan.
Use a fat separator for easier fat removal.
Mix the cornstarch with water to create a paste, then whisk it into the cooking liquid.
Whisk continuously to prevent lumps from forming.
Serve the roast with the gravy on the side.
Garnish with fresh herbs for added color and flavor.