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Instructions:
- Place the beef chuck roast into the slow cooker.
- Add the blackberries, minced garlic, sliced onion, balsamic vinegar, beef broth, brown sugar, soy sauce, dried thyme, salt, and black pepper.
- Cover and cook on LOW for 6–8 hours or on HIGH for 4–5 hours, until the beef becomes very tender and easily pulls apart.
- Remove the cooked beef from the slow cooker and shred it using two forks.
- If a thicker sauce is desired, mix the cornstarch with 2 tablespoons of water to create a slurry. Stir it into the slow cooker and cook for an additional 10–15 minutes until the sauce thickens.
- Return the shredded beef to the slow cooker and mix well so the meat is fully coated in the sauce.
- Serve warm over mashed potatoes, rice, or toasted bread.
Variations
- Red Wine Addition: Replace part of the beef broth with 1/4 cup red wine for deeper flavor.
- Herb Boost: Add fresh rosemary or additional thyme for a more aromatic sauce.
- Spicy Twist: Include a pinch of red pepper flakes or a chopped chili pepper for gentle heat.
- Berry Blend: Combine blackberries with raspberries or blueberries for a slightly different fruit profile.
Tips
- Searing the beef in a hot skillet before adding it to the slow cooker can enhance flavor by creating a caramelized crust.
- If using frozen blackberries, there is no need to thaw them before adding them to the slow cooker.
- For an even richer sauce, allow the cooked sauce to simmer uncovered for a few minutes after thickening.
- Taste the sauce before serving and adjust with additional salt, pepper, or a splash of balsamic vinegar if needed.