Slow Cooker Balsamic Glazed Roast Beef Ingredients 1 tablespoon oil 3 pounds Ontario Corn Fed Beef roast such as chuck, round, brisket 1 large onion, sliced 4 clove. Crock Pot Slow Cooker, Slow Cooker Recipes, Cooking Recipes, Healthy Recipes, Crockpot Meals, Oven Recipes, Kabob Recipes, Fondue Recipes, Roast Beef Slow Cooker