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Easy Crockpot French Onion Soup

This easy crockpot french onion soup recipe takes just 10 minutes to prepare! The cheapest slow cooker soup that tastes amazing and only needs a few ingredients to make. Let it cook by itself all day and have a complete comfort food dinner ready in the evening. Rich french onion smothered in cheese is the best. 
Prep Time10 mins
Cook Time7 hrs
Total Time7 hrs 10 mins
Course: Entree, Main Course, Soup
Cuisine: American, French
Keyword: crockpot, easy, french onion, italian wedding soup, slow cooker
Servings: 6
Calories: 427kcal
Author: The Typical Mom


  • 4 yellow onions large, sliced
  • 1 tsp salt
  • 4 tbsp butter
  • 1 tsp pepper
  • 3 tbsp worcestershire sauce
  • 1 tbsp thyme
  • 6 c beef broth
  • 1 loaf french bread day old
  • 2 c mozzarella cheese and parmesan, a mix is good


  • Slice your yellow onions into rather thick / wide slices. Set aside
  • Turn crockpot on high and add onions inside spread out.
  • Add salt, beef broth, butter, pepper, worces. sauce and thyme.
  • Cook oh high for 7-8 hours or until it turns a darker brown color.
  • Get bowls that can be placed into the oven ready and fill them 3/4 full with soup from your slow cooker.
  • Preheat broiler to high or around 350 degrees.
  • Put a thick slice of your day old bread on top of each bowl of soup, cover the bread with a mixture of mozzarella and parmesan cheeses.
  • Put under broiler until cheese is melted and golden brown color, maybe 3-4 minutes.


Serving: 6oz | Calories: 427kcal | Carbohydrates: 47g | Protein: 19g | Fat: 17g | Saturated Fat: 10g | Cholesterol: 49mg | Sodium: 2010mg | Potassium: 425mg | Fiber: 3g | Sugar: 6g | Vitamin A: 545IU | Vitamin C: 8.4mg | Calcium: 265mg | Iron: 3.8mg