Slow-Cooked Beef Brisket with Mustard-Cumin Rub

By AislePrompt Editorial · Published 2026-06-26 · Updated 2026-06-26

Tender beef brisket slow-cooked with a fragrant mustard and cumin rub, creating a savory keto-friendly main dish. This American-inspired beef recipe (low carb), ready in about 495 minutes, pairs beef brisket, Dijon mustard, ground cumin for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 calories and feeds 6, so it slots cleanly into a low-carb week and pairs well with cauliflower rice or roasted green vegetables. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 3 lbs beef brisket
• 2 tbsp Dijon mustard
• 1 tbsp ground cumin
• 1 tbsp smoked paprika
• 1 tsp garlic powder
• 1 1/2 tsp salt
• 1 tsp black pepper
• 2 tbsp olive oil
• 1 cup beef broth

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Instructions

1. Step 1: In a small bowl, combine 2 tbsp Dijon mustard, 1 tbsp ground cumin, 1 tbsp smoked paprika, 1 tsp garlic powder, 1 1/2 tsp salt, and 1 tsp black pepper to form a spice rub.
2. Step 2: Rub the 3 lb beef brisket thoroughly with 2 tbsp olive oil, then coat evenly with the prepared mustard-cumin spice mix.
3. Step 3: Place the brisket fat-side up in a slow cooker; pour 1 cup beef broth around the brisket to keep it moist.
4. Step 4: Cover and cook on low for 8 hours or until the meat is fork-tender and easily shreds.
5. Step 5: Remove the brisket and let it rest for 15 minutes before slicing against the grain. Serve with pan juices or keto-friendly sides.