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A plate of slow cooker steak garnished with chopped herbs and caramelized onions, served with sauce on a white plate.
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Slow Cooker Sirloin Steak

Tender slow cooker sirloin steak cooked with onion, peppers, dill, and a savory blend of beef stock, Worcestershire sauce, and steak seasoning. This easy set-it-and-forget-it meal delivers bold flavor with minimal prep — perfect for weeknights or hearty meal prep.
Prep Time10 minutes
Cook Time4 hours
Course: dinner, Lunch, Main Course
Cuisine: American
Keyword: beef, comfort food, easy, slow cooker
Servings: 2 people
Author: Courtney ODell
Cost: 15

Ingredients

  • 2 sirloin steaks about 1 inch thick
  • Salt and freshly ground black pepper to taste
  • 1 tablespoon steak seasoning or your favorite blend
  • 1 onion sliced into thick rings
  • 1 bell pepper sliced (any color)
  • 1½ cups beef stock low sodium recommended
  • 1 tablespoon Worcestershire sauce
  • 1 –2 teaspoons dried dill or 1 tablespoon fresh, chopped
  • Optional: 1 tablespoon olive oil or butter for searing

Instructions

(Optional) Sear the steaks:

  • For extra flavor, heat oil or butter in a skillet over medium-high heat and sear the steaks for 1–2 minutes per side until browned.
    A raw Sirloin Steak seasoned with salt sits in a black frying pan, ready to be cooked.

Add to slow cooker:

  • Place sliced onions and peppers in the bottom of the slow cooker. Lay the steaks on top.
    A piece of browned sirloin steak topped with chopped yellow bell peppers and onions inside a slow cooker.

Season:

  • Sprinkle steak seasoning, salt, and pepper over the steaks. Pour in beef stock and Worcestershire sauce.
    A slow cooker filled with seasoned sirloin steak, chopped yellow bell peppers, onions, herbs, and broth.
  • Cook:
  • Cover and cook on low for 6–8 hours or high for 3–4 hours, until the steak is tender and flavorful.
    A slow cooker with a glass lid shows chopped yellow bell peppers, onions, herbs, and seasonings simmering inside—perfect for preparing tender Slow Cooker Sirloin Steak.

Add dill:

  • Stir in the dill during the last 30 minutes of cooking for the freshest flavor.
    A cooked beef roast sits in a Slow Cooker with a brown sauce and chopped onions, offering tender flavor similar to Slow Cooker Steak.

Serve:

  • Remove steaks and let rest for 5 minutes. Shred and serve with your favorite sides.
    A plate of slow cooker steak garnished with chopped herbs and caramelized onions, served with sauce on a white plate.

Nutrition

Calories: 379kcal | Carbohydrates: 14g | Protein: 54g | Fat: 11g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 138mg | Sodium: 601mg | Potassium: 1393mg | Fiber: 2g | Sugar: 7g | Vitamin A: 1923IU | Vitamin C: 82mg | Calcium: 124mg | Iron: 6mg

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