Soup Recipes Vegetable Soup Recipes Onion Soup Recipes French Onion Soup Recipes French Onion Soup (Slow Cooker) 4.8 (11) 8 Reviews 2 Photos My mom's soup that I remember from childhood. Probably as basic as it gets. Add cheese of choice and croutons, if desired. Submitted by Dtison Updated on January 22, 2025 Save Rate Print Share Close Add Photo 2 Prep Time: 10 mins Cook Time: 4 hrs 10 mins Total Time: 4 hrs 20 mins Servings: 6 Yield: 6 servings Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients 1x 2x 4x Oops! Something went wrong. Our team is working on it. Original recipe (1X) yields 6 servings ¼ cup butter 4 large onions, thinly sliced 4 cups beef broth 1 clove garlic, minced salt and ground black pepper, to taste Directions 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. Cook on High for 4 hours or on Low for 8 hours. I Made It Print 36 home cooks made it! Nutrition Facts (per serving) 120 Calories 8g Fat 10g Carbs 3g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 6 Calories 120 % Daily Value * Total Fat 8g 10% Saturated Fat 5g 26% Cholesterol 20mg 7% Sodium 585mg 25% Total Carbohydrate 10g 3% Dietary Fiber 2g 6% Total Sugars 4g Protein 3g 6% Vitamin C 8mg 8% Calcium 36mg 3% Iron 1mg 3% Potassium 237mg 5% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.