Ingredients

• 0.25 cups butter
• 4 large onions , thinly sliced
• 4 cups beef broth
• 1 clove garlic , minced
• salt and ground black pepper , to taste

Instructions

1. 1 Melt butter in a skillet over medium heat. Cook and stir onions in melted butter until clear and browned, 10 to 15 minutes; transfer to a slow cooker. Add beef broth, garlic, salt, and black pepper to the slow cooker.
2. 2 Cook on High for 4 hours or on Low for 8 hours.

Nutrition per serving