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Slow Cooker 5-Ingredient Steakhouse Burgers

Frozen beef patties slow-cook with steak sauce, onions, and mushrooms until tender and savory. Served on hamburger buns with the saucy onion-mushroom topping, these burgers are an easy comfort-food dinner with steakhouse flavor.
Prep Time 10 minutes
Cook Time 6 hours
Total Time 6 hours 10 minutes
Course Beef, Family Dinner, Main Course, Sandwiches, Slow Cooker
Cuisine American
Servings 6 burgers
Calories 540 kcal

Ingredients
  

  • 6 frozen beef patties about 1/3 lb each
  • 1 cup bottled steak sauce plus more if desired
  • 1 large yellow onion thinly sliced
  • 8 oz sliced mushrooms
  • 6 hamburger buns toasted if desired

Instructions
 

  • Lightly spray the slow cooker insert with cooking spray if desired.
  • Spread the sliced onion evenly across the bottom of the slow cooker.
  • Arrange the frozen beef patties over the onions, overlapping slightly if needed but avoiding a full stack.
  • Scatter the sliced mushrooms around and over the patties.
  • Pour the steak sauce evenly over the patties, onions, and mushrooms.
  • Cover and cook on low for 5–6 hours, or on high for 3–3 1/2 hours, until the patties are tender and cooked through.
  • Carefully lift the patties out with a wide spatula.
  • Stir the onions and mushrooms into the sauce remaining in the slow cooker.
  • Serve each patty on a hamburger bun topped with the saucy onions and mushrooms.

Notes

Toast the buns for better texture. Handle the patties gently after cooking because they become very tender.

Nutrition

Calories: 540kcal
Keyword frozen beef patties, mushrooms and onions, slow cooker burgers, steak sauce, steakhouse burgers
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