Caramelized Onion Compound Butter
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5 from 4 votes

Caramelized Onion Flavored Compound Butter

Compound Butters are a great way to enhance the flavor in dishes, and add extra fat into your diet. Our Caramelized Onion Flavored Compound Butter is delicious atop a grilled steak.
Prep Time15 mins
Cook Time15 mins
Total Time1 hr 30 mins
Course: Condiments
Cuisine: American, Australian, British, French
Servings: 20 serves
Calories: 95kcal
Author: Gerri


  • 1 medium Onion thinly sliced
  • 2 tablespoons olive oil
  • 1/4 teaspoon Salt
  • 1/2 teaspoon Erythritol
  • 8 ounces Butter
  • Salt to taste


  • Place the oil into a non-stick frying pan and place over high heat.
  • When the oil is hot and shimmering, add the onion and sauté. Stirring continually.
  • When the onions have softened and are lightly browned add the salt and erythritol.
  • Continue to cook until browned and sticky. Remove from the heat and set aside to cool.
  • Add the cooled onions to your food processor and blend on high for 1 minute.
  • Add the softened butter and blend on medium until combined.
  • Adjust seasoning and blend until combined.
  • Spoon the butter onto a sheet of cling film and gently roll into a log shape. Store in the fridge or freezer.




Calories: 95kcal | Carbohydrates: 0.1g | Protein: 0.1g | Fat: 11g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Cholesterol: 24mg | Sodium: 25mg | Potassium: 3mg | Fiber: 0.1g | Sugar: 0.01g | Vitamin A: 6% | Vitamin C: 1% | Calcium: 0.3% | Iron: 0.05%