Crock-Pot French Onion Soup Recipe

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Onion lovers unite! Your going to love this simple recipe for Crock-Pot French Onion Soup!

Ingredients for 6 servings

3 large yellow onions peeled and sliced thin
3 tablespoons butter
2 tablespoons brown sugar
2 tablespoons Worcestershire sauce
2 tablespoons garlic minced
64.5 ounces low sodium beef broth homemade OR 6 cans (10.75 ounces each)
1 whole bay leaf
1 sprig fresh thyme or 1 teaspoon dried
6 slices French Bread sliced
1 cup Swiss cheese shredded
1 cup parmesan cheese shredded