Ingredients with Measurements:
- 4 large onions, peeled and sliced
- 2 tablespoons olive oil
- 1 tablespoon balsamic vinegar
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 2 cups vegetable broth
- 1/4 cup heavy cream
- 1 tablespoon cornstarch
- 1 tablespoon water
Special equipment needed:
- Baking sheet
- Blender or food processor
Step-by-step instructions:
1. Preheat the oven to 400°F (200°C).
2. In a large bowl, toss the sliced onions with olive oil, balsamic vinegar, salt, and black pepper.
3. Spread the onions in a single layer on a baking sheet and roast in the preheated oven for 30-35 minutes, stirring occasionally, until they are caramelized and tender.
4. Transfer the roasted onions to a blender or food processor and add vegetable broth. Blend until smooth.
5. Pour the mixture into a saucepan and bring to a simmer over medium heat.
6. In a small bowl, whisk together cornstarch and water until smooth. Add the mixture to the saucepan and stir until the sauce thickens.
7. Remove the saucepan from heat and stir in the heavy cream.
8. Serve the sauce warm over your favorite dish.
Time:
Preparation time: 10 minutes
Cooking time: 35 minutes
Temperature:
Oven temperature: 400°F (200°C)
Serving size:
This recipe makes about 2 cups of sauce, serving size depends on the dish.
Nutritional information:
Calories: 120
Fat: 8g
Carbohydrates: 11g
Protein: 2g
Sodium: 500mg
Sugar: 5g
Substitutions for ingredients:
- Vegetable broth can be substituted with chicken broth or beef broth.
- Heavy cream can be substituted with coconut cream or almond milk.
Variations:
- Add garlic cloves to the roasted onions for a garlic-flavored sauce.
- Add a pinch of cayenne pepper for a spicy sauce.
- Add fresh herbs such as thyme or rosemary for a herb-infused sauce.
Tips and tricks:
- Make sure to spread the onions in a single layer on the baking sheet to ensure even roasting.
- Use a high-speed blender or food processor to achieve a smooth sauce.
- Adjust the thickness of the sauce by adding more or less vegetable broth.
Storage instructions:
Store the sauce in an airtight container in the refrigerator for up to 5 days.
Reheating instructions:
Reheat the sauce in a saucepan over low heat, stirring occasionally until heated through.
Presentation ideas:
Serve the sauce in a gravy boat or pour over the dish.
Garnishes:
Garnish with chopped fresh herbs such as parsley or chives.
Pairings:
This sauce pairs well with roasted vegetables, grilled meats, or pasta dishes.
Suggested side dishes:
Serve with a side of roasted potatoes or steamed vegetables.
Troubleshooting advice:
- If the sauce is too thick, add more vegetable broth to thin it out.
- If the sauce is too thin, add more cornstarch and water mixture to thicken it.
Food safety advice:
Make sure to store the sauce in an airtight container in the refrigerator and consume within 5 days.
Food history:
Roasted onion sauce is a classic French sauce that has been used for centuries in French cuisine.
Flavor profiles:
This sauce has a sweet and savory flavor with a hint of tanginess from the balsamic vinegar.
Serving suggestions:
Serve the sauce warm over your favorite dish.
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