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Cast Iron skillet with Caramelized Onion and Blue Cheese Steak Sauce

Low Carb Caramelized Onion and Blue Cheese Steak Sauce

The sweet mellow flavor of buttery caramelized onions paired with the rich aroma of blue cheese and reduced into a beautiful sauce to pair with your favorite steak or beef cut. This dish takes little prep work and is a great way to elevate any meal!
Course Grilling
Cuisine American
Keyword keto steak sauce, Low Carb Caramelized Onion and Blue Cheese Steak Sauce, onion and blue cheese sauce
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 12
Calories 88kcal
Author Bon Appeteach


  • 2 Vidalia Onions
  • 4 oz. Cream Cheese cubed
  • 4 oz. Blue Cheese
  • 1 tbsp. Worcestershire Sauce
  • Salt & Pepper


  • Melt the butter in a cast iron pan and add the onions. Season the onions with salt and pepper and cook until fragrant over medium heat.
  • Stir in the Worcestershire, cream cheese and blue cheese until it begins to melt and remove it from the stove top.
  • Smoke it on the grill at 300 F over indirect heat for 30 minutes or so or until golden brown. You can also bake in the over at 350 F until brown (20-30 min).
  • Remove from the heat and allow it to rest a few minutes. Serve over your favorite steak or beef cut or as a dip.


Skip the butter and render some beef fat in the cast iron for added flavor.


Serving: 1g | Calories: 88kcal | Carbohydrates: 6g | Protein: 3g | Fat: 6g | Saturated Fat: 4g | Polyunsaturated Fat: 2g | Cholesterol: 17mg | Sodium: 1361mg | Fiber: 1g | Sugar: 3g