Dinner · Part 3 of 3: Tips & recipe card

Sweet Pepper Dijon Cream Brisket: One-Pot Slow Cooker Tips, FAQ & printable recipe

Name: Sweet Pepper Dijon Cream Brisket: One-Pot Slow Cooker
Prep time: 15 min
Cook time: 8 h
Total time: 8 h 15 min
Cuisine: American
Ingredients: 3 1/2 lb beef brisket, trimmed; 2 bell peppers (1 red, 1 green), sliced into thick strips; 1 large sweet yellow onion, sliced; 1 cup sour cream; 1/4 cup whole-grain Dijon mustard; 1 cup beef au jus; steamed white rice, for serving

By Clara Weller · Oct 28, 2026

Slow cooker brisket with creamy dijon sauce and peppers

Prep: 15 min
Cook: 8 h
Total: 8 h 15 min
Serves: 8

Tips for success

For the best flavor, use a good-quality beef au jus or make your own from beef broth and a splash of Worcestershire sauce. The Dijon mustard should be whole-grain for texture, but smooth Dijon works too.

If you prefer a thicker sauce, mix 2 tablespoons cornstarch with 2 tablespoons cold water and stir it into the sauce during the last 30 minutes of cooking.

This recipe is incredibly forgiving. If you are short on time, cook on HIGH for 5 to 6 hours instead of low. The meat will still be tender, though slightly less fall-apart.

For an extra layer of flavor, you can sear the brisket in a hot skillet before adding it to the slow cooker, but it is not necessary.

Variations

Spicy Kick: Add 1-2 sliced jalapeños or a teaspoon of red pepper flakes along with the peppers. The heat cuts through the creamy sauce beautifully.
Smoky Twist: Use smoked paprika or a teaspoon of liquid smoke in the sauce for a subtle barbecue flavor.
Herb Garden: Stir in 2 tablespoons of fresh chopped thyme or rosemary with the sauce. These herbs complement the beef and peppers perfectly.
Cheesy Finish: Sprinkle shredded sharp cheddar or provolone over the hot brisket just before serving. Let it melt into the sauce for extra richness.

Storage and make-ahead

Fridge: Store in an airtight container in the refrigerator for up to 4 days. The sauce will thicken slightly when chilled.
Freezer: Freeze in a freezer-safe container for up to 3 months. Thaw overnight in the refrigerator before reheating.
Reheat: Reheat gently in a saucepan over medium-low heat, adding a splash of beef broth or water to loosen the sauce.

Store leftover brisket and sauce in an airtight container in the refrigerator for up to 4 days. The flavors will meld and deepen overnight.

Reheat gently in a saucepan over medium-low heat, adding a splash of beef broth or water if the sauce has thickened too much.

This dish is perfect for making ahead. Assemble everything in the slow cooker insert the night before, cover, and refrigerate.

In the morning, place the insert in the slow cooker and cook as directed—just add 30 minutes to the cooking time since the pot is cold.

Serving ideas

Serve the brisket over steamed white rice, egg noodles, or mashed potatoes. The creamy sauce is also delicious spooned over crusty bread to soak up every bit. A simple green salad with a tangy vinaigrette balances the richness of the dish.

For a complete meal, add a side of roasted green beans or sautéed spinach. The sweetness of the peppers and onions pairs well with a crisp, acidic side dish. Leftovers are excellent in tacos or sandwiches the next day.

Frequently asked questions

Can this recipe be made with a different cut of beef?

Yes, chuck roast or bottom round roast work well. They have similar collagen content and become tender with long, slow cooking. Adjust the cooking time as needed—chuck roast may cook slightly faster.

Why does the sauce sometimes separate or curdle?

Sour cream can curdle if cooked at too high a temperature or if the slow cooker is on high for too long. To prevent this, cook on low and stir gently before serving. Adding the sour cream at the beginning is fine, but if concerned, stir it in during the last hour.

Can this be cooked on high instead of low?

Yes, cook on high for 5 to 6 hours. The meat will be tender but may not be quite as fall-apart as with low heat. Always check that the internal temperature reaches at least 145°F (63°C).

What can be used instead of au jus?

Use low-sodium beef broth mixed with a teaspoon of Worcestershire sauce or soy sauce for extra depth. You can also use a store-bought au jus mix prepared according to package directions.

Can this recipe be doubled?

Yes, if your slow cooker is large enough (at least 7 quarts). Keep the same proportions and cook time, but ensure the meat is in a single layer. You may need to add 30 minutes to the cooking time.

Recipe card

Sweet Pepper Dijon Cream Brisket: One-Pot Slow Cooker

Prep 15 minCook 8 hTotal 8 h 15 minServes 8

Ingredients

3 1/2 lb beef brisket, trimmed
2 bell peppers (1 red, 1 green), sliced into thick strips
1 large sweet yellow onion, sliced
1 cup sour cream
1/4 cup whole-grain Dijon mustard
1 cup beef au jus
steamed white rice, for serving

Instructions

Place the trimmed beef brisket flat in the bottom of the slow cooker. If needed, cut it in half so it fits in a single layer. Season lightly with salt and pepper if desired, though the au jus adds plenty of flavor. Let it rest for 3 minutes before slicing.
Scatter the sliced bell peppers and onion evenly over the brisket. They will soften and sweeten as they cook, creating a bed of tender vegetables.
In a small bowl, stir together the sour cream, whole-grain Dijon mustard, and beef au jus until smooth. Pour the mixture over the peppers and onions, spreading it evenly with a spatula.
Cover the slow cooker and cook on LOW for 8 to 10 hours, or on HIGH for 5 to 6 hours. The brisket is done when it shreds easily with a fork and the internal temperature reaches at least 145°F (63°C). Let it rest for 3 minutes before slicing.
Once cooked, transfer the brisket to a cutting board. Let it rest for at least 3 minutes, then shred the meat using two forks. Return the shredded beef to the slow cooker and stir it into the sauce.
Spoon steamed white rice onto plates or into bowls. Top with the shredded brisket and a generous ladle of the creamy pepper-onion gravy. Serve hot.

Contains: milk, mustard

Estimated nutrition per serving

Calories: 480
Protein: 38 g
Carbohydrates: 12 g
Fat: 30 g

Automatic estimate from the ingredient list, not laboratory-verified.

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This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.