Excellent served with your steak dinner as a side dish. How to make balsamic roasted onions and mushrooms. Add dots of butter around the pan. 4 medium vidalia onions cut into inch slices skins left on cup balsamic vinegar cup olive oil 3 tablespoons honey more for drizzling 3 tablespoons dijon mustard 1 tablespoon finely chopped fresh rosemary leaves. Add sliced onions and mushrooms to a medium sized bowl.
Line 2 large baking sheets with foil. Add remaining ingredients and stir to combine. The roasted balsamic sweet onion turns out so sweet and so delicious. Sweet and mild onion varieties available in the spring summer have a similar sugar content or sometimes even less sugar than the storage varieties. Preheat the oven to 350 degrees f.
Place the skillet in the oven and roast for 25 minutes stirring on occasion so the onions don t stick to the pan. In a large bowl toss the onion quarters with the olive oil balsamic vinegar sugar and season with salt and pepper. Roast in oven until tender and browned. Add chicken stock balsamic vinegar garlic rosemary and thyme to the pan. Place the skillet in the oven and roast for 25 minutes stirring on occasion so the onions don t stick to the pan.
Add chicken stock balsamic vinegar garlic rosemary and thyme to the pan. Line 2 large baking sheets with foil. Excellent served with your steak dinner as a side dish.