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one serving of CrockPot Steak with Onions and Mushrooms with carrots on a gray plate

CrockPot Steak with Mushrooms and Onions (Easy Smothered Steak)

This CrockPot steak with mushrooms and onions turns out fall apart tender, smothered in a rich, savory A-1 sauce gravy. It uses an inexpensive cut of beef for a comforting, restaurant-quality dinner with almost no hands-on effort.
4.80 from 5 votes
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Prep Time 10 minutes
Cook Time 8 hours
Marinating time 2 hours
Total Time 10 hours 10 minutes
Course Main Course
Cuisine American
Servings 6 people
Calories 462 kcal

Equipment

Ingredients
  

  • 2 ½ pounds boneless beef round steaks fat trimmed, cut into 6 equal steaks
  • 1 cup A-1 steak sauce divided
  • 1 tablespoon olive oil
  • 4 cups mushrooms sliced
  • 2 large onions chopped
  • ¼ teaspoon salt
  • ½ teaspoon black pepper freshly ground

Instructions
 

  • Combine steaks and ½ cup steak sauce in a large zippered plastic bag. Massage contents to coat evenly. Refrigerate at least 1 hour, up to overnight.
  • Remove steaks from marinade. Heat oil over medium-high heat in a large skillet. Add steaks and brown, turning once, about 2 minutes per side. Remove skillet from heat.
  • Layer mushrooms, onions, and browned steaks in a 6-quart CrockPot. Deglaze skillet with a small amount of water and add pan juices to the slow cooker. Sprinkle in salt and pepper and pour in the remaining ½ cup A1 sauce.
  • Cover. Cook on low for 6 hours or on high for 3 hours, until meat is cooked through and tender.

Nutrition

Calories: 462kcal | Carbohydrates: 10g | Protein: 41g | Fat: 29g | Saturated Fat: 12g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 15g | Cholesterol: 115mg | Sodium: 524mg | Potassium: 827mg | Fiber: 2g | Sugar: 5g | Vitamin A: 88IU | Vitamin C: 5mg | Calcium: 28mg | Iron: 4mg
Keyword A1, crockpot, slow cooker, steak
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