Slow Cooker French Onion Soup

By AnnaMaria507

Ingredients

• 1 qt beef boullion or brown stock
• 3 medium yellow onions, thinly sliced
• 1/2 tsp salt
• 1 tbsp sugar
• 2 tbsp flour
• 3 tbsp butter
• 1 cup grated Parmesan cheese
• croutons

Details

Servings 4

Preparation

Step 1

1. Pour boullion or stock in crock pot. Cook onions slowly in butter (about 15 minutes) in large covered skillet. Stir occasionally.
2. Uncover and add salt, sugar and flour. Stir well. Add to stock in crock pot. Cover and cook on low 6-8 hours or high 3 hours.
3. Before serving, garnish with croutons and Parmesan cheese.