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Butter-Roasted Onions with Rosemary, Sage, & Balsamic Glaze

Butter-Roasted Onions

These butter-roasted onions are perfect yet simple. Try them with good quality sausages and mash for a twist on the classic fried onions. When roasted, onions, which can be quite pungent when raw, turn sweet and delicious.
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Prep Time 5 minutes
Cook Time 1 hour
Total Time 1 hour 5 minutes
Servings: 6
Course: Side Dish
Cuisine: British
Calories: 60
Ingredients Method

Ingredients
  

  • 3 White Onions Peeled, Tops and Bottoms Trimmed, Cut in Half.
  • 1 tsp Sage Chopped
  • 2 tsp Rosemary Chopped
  • 30 g Butter softened.
  • 20 ml of Reduced Balsamic Vinegar to serve
  • Sea Salt Flakes
  • Cracked Pepper

Method
 

  1. Preheat the oven to 190C or 170C Fan or 375F or Gas 5
  2. Trim the tops and bottoms of the onions.
  3. Transfer the onions to an oven-proof dish. Mix the butter with the sage and rosemary, then top each onion with an equal-sized knob. Add a splash of water to the bottom of the dish to help the onions steam as they cook, approximately 50ml.
  4. Cover with foil and roast for 45 minutes.
  5. Remove the foil, turn the temperature to 220C, and roast for 15 minutes until the tops are golden brown.
  6. Drizzle with balsamic, sea salt flakes and black pepper to serve.