Slow Cooker French Onion Soup

By

  • 30 mins
  • 270 mins

Ingredients

  • 2 tbs butter
  • 6 cups onions (2 lbs), thinly sliced
  • 1 tbs all-purpose flour
  • 6 cups, low-sodium beef broth, divided
  • 2 tbs worcestershire sauce
  • 1 tsp dried thyme
  • 16 (1/2"-thick) slices thin baguette, toasted
  • 1 cup grated gruyere cheese

Preparation

Step 1

1.) In skillet over med-high heat, melt butter. Add onions; cook until browned, about 12 minutes, stirring often. Add flour; cook 1 min., stirring. Stir in 1/2 cup broth, scraping up the brown bits.

2.) Transfer mixture to 4-qt slow cooker. Add Worcestrershire, thyme, 1/2 tsp salt, 1/2 tsp pepper and remaining broth. Cover; cook on high 4 hours.

3.) Heat broiler. Line rimmed baking sheet with foil; coat with cooking spray. Arrange toasts on baking sheet. Top each with 1 tbs cheese. Broil 1-2 minutes until golden. Divide soup among cups or bowls; top with toasts.