French Onion Soup

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INGREDIENTS
1/2 cup	unsalted butter, melted
2 tablespoons	extra-virgin olive oil
4 pounds	yellow onion, peeled and sliced
10 cups	beef broth
1	bay leaf
	Salt, to taste
	pepper, to taste
1/4 cup	all-purpose flour
2 tablespoons	balsamic vinegar
1 tablespoon	Worcestershire sauce
1	baguette, sliced diagonally and toasted
1 1/2 cups	Gruyere, grated or sliced
	swiss cheese, alternative
	Minced chives, for garnish

INSTRUCTIONS

1) Add butter, olive oil and onions to a large skillet over medium heat. Cook until onions start to caramelize.

2) Pour onions into slow cooker and top with beef broth, bay leaf, salt and pepper.

3) In a small bowl whisk together flour, balsamic vinegar and Worcestershire sauce until smooth. Stir into soup.

4) Cover and cook on low for 6 to 8 hours, or on high for 3 to 4 hours.

5) Scoop soup into oven-safe bowls. Top with 1 slice of toasted bread and cheese. Broil for 5 minutes, or until cheese is melted and bubbly.

6) Top with chives, serve and enjoy!

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