Savory Slow Cooker Pepper Steak Deluxe

🕒 Prep: 15 min
🔥 Cook: 7 hours
🍽 Serves: 6
★★★★★
1 Review

Savory Slow Cooker Pepper Steak Deluxe is a game-changer for busy weeknights or when you crave something hearty without the fuss. This recipe combines tender beef, vibrant bell peppers, and a rich, flavorful sauce that all cook together seamlessly in your slow cooker.

Savory Slow Cooker Pepper Steak Deluxe

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Ingredients for Savory Slow Cooker Pepper Steak Deluxe

Ingredients for Savory Slow Cooker Pepper Steak Deluxe

Flank steak is ideal here because it becomes tender and flavorful over the long, slow cooking process. The all-purpose flour helps to give the steak a slight crust when you brown it, which adds depth to the dish. Salt and black pepper season the meat right from the start.

Olive oil is used for browning, which is a crucial step for flavor. Onion and bell peppers (green and red) bring sweetness and freshness to the dish, while garlic offers a sharp, aromatic punch. The soy sauce and beef broth form the base of a savory sauce, enhanced by brown sugar for a hint of sweetness, and Worcestershire sauce for umami depth.

Ground ginger adds a subtle warmth. The cornstarch mixed with water thickens the sauce to a perfect glaze. Finally, serve it all over jasmine rice, which is fragrant and absorbs the sauce beautifully.

Why This Savory Slow Cooker Pepper Steak Deluxe Works

At the start, the steak strips get a light coat of flour, salt, and pepper. As they hit the hot oil, the outside browns and the flour sticks to the meat. That thin layer on the outside gives the sauce something to grab onto later, so it doesn’t stay watery. Browning the steak in batches also keeps the pieces from steaming, so the outside firms up a bit while the inside stays soft.

After a few minutes in the skillet, the onions soften and lose their sharp bite, and the garlic warms just enough so it doesn’t taste harsh. Once everything goes into the slow cooker with the peppers, soy sauce, broth, sugar, Worcestershire, and ginger, the long, low heat starts to work. Over several hours, the flank steak fibers slowly loosen and the tough parts break down, so the meat becomes very tender instead of chewy.

Near the end, the cornstarch and water go in. As the slow cooker stays hot, that mixture thickens the liquid around the beef and peppers into a glossy sauce that clings to the meat and sits nicely over the jasmine rice.

Savory Slow Cooker Pepper Steak Deluxe Tips & Tricks

  • For a deeper flavor, marinate the steak in soy sauce and garlic overnight.
  • Browning the steak is optional, but it adds a lot to the flavor and texture.
  • If you prefer more sauce, you can double the soy sauce and beef broth.

Mistakes To Avoid

Letting the steak go into the slow cooker without browning first leaves it pale and a bit mushy. The flour on the meat never really cooks, so the sauce can taste chalky and the strips don’t hold their shape as well after hours in the slow heat.

Cutting the steak into thick, uneven chunks instead of thin strips means some pieces stay chewy while others start to fall apart. The thicker pieces don’t soften all the way through in the same time, so the dish ends up with a mix of tough bites and shredded meat.

Pouring in extra broth or soy sauce at the start to “have more sauce” makes the liquid too thin for the cornstarch to fix at the end. The result is a watery mix that slides off the rice instead of a glossy sauce that lightly coats the beef and peppers.

Adding the cornstarch slurry at the beginning of the slow cook causes it to break down and lose its thickening power. After hours in the crock, the sauce stays loose and soupy instead of tightening up in the last 30 minutes.

Equipment Used:

Slow Cooker, Skillet, Mixing Bowl, Whisk

Ingredients

  1. 2 lbs flank steak, sliced into strips
  2. 1/4 cup all-purpose flour
  3. 1 tsp salt
  4. 1/2 tsp black pepper
  5. 2 tbsp olive oil
  6. 1 large onion, sliced
  7. 2 green bell peppers, sliced
  8. 1 red bell pepper, sliced
  9. 4 cloves garlic, minced
  10. 1/4 cup soy sauce
  11. 1/4 cup beef broth
  12. 2 tbsp brown sugar
  13. 1 tbsp Worcestershire sauce
  14. 1 tsp ground ginger
  15. 2 tbsp cornstarch
  16. 2 tbsp water
  17. Cooked jasmine rice, for serving

Step-by-step Instructions

  1. 1. In a bowl, combine flour, salt, and black pepper. Coat steak strips in the flour mixture.
  2. 2. Heat olive oil in a skillet over medium-high heat. Brown steak strips in batches and transfer to slow cooker.
  3. 3. In the same skillet, add onions and cook until translucent. Add garlic and sauté for another minute.
  4. 4. Add onions, garlic, green and red bell peppers to the slow cooker.
  5. 5. In a bowl, whisk together soy sauce, beef broth, brown sugar, Worcestershire sauce, and ground ginger. Pour over the beef and vegetables in the slow cooker.
  6. 6. Cover and cook on low for 6-7 hours or high for 3-4 hours, until beef is tender.
  7. 7. Mix cornstarch and water in a small bowl. Stir into the slow cooker to thicken the sauce, cooking for an additional 30 minutes.
  8. 8. Serve hot, over cooked jasmine rice.

Frequently Asked Questions

Can I use a different cut of beef?
Yes, you can use skirt steak or even a chuck roast cut into strips.
What if I don't have a slow cooker?
You can use an oven-safe dish and cook it in the oven at 300°F (150°C) for about 3 hours.

Serving Ideas for Savory Slow Cooker Pepper Steak Deluxe

This dish pairs wonderfully with a simple side salad or steamed green beans for some extra greens. You can also sprinkle some fresh chopped cilantro or parsley on top for a burst of color and flavor.

Ratings and Comments

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.