Caramelized Balsamic-Red Onion Soup

By sz8jm9

Ingredients

• 1/4 cup olive oil
• 1 tbsp butter (optional)
• 6 large red onions (4-5 lbs), thinly sliced
• 2 tsp salt
• 1/4 cup balsamic vinegar
• 2 tbsp soy sauce
• 2 tbsp prepared mustard (any kind)
• 6 cups water
• 1/8 tsp freshly ground pepper
• Cheese-Topped Croutons

Details

Servings 6

Preparation

Step 1

1) Heat olive oil over medium heat. Toss in the butter, if desired and swirl until it melts into the oil.

2) Stir in the onions and salt, reduce to medium-low. Cook, stirring occasionally for about 30 minutes, or until the onions become deep golden brown and very soft.

3) Add vinegar, soy sauce, and mustard. Cook, stirring, for 5 minutes.

4) Add water and bring to a boil. Reduce heat and simmer, partially covered, and simmer gently for 15 minutes.

5) Season with salt/pepper. Top each bown with a crouton.

Croutons:
Bake sliced baguette (1/2 inch slices) at 350 for 5 minutes. Add shredded cheese (swiss, parm, etc) and broil for about 3 minutes.