Rating: 3.5 stars
25 Ratings
  • 5 star values: 8
  • 4 star values: 7
  • 3 star values: 5
  • 2 star values: 2
  • 1 star values: 3

This slow cooker french onion soup is so easy and delicious, you’ll never return to your stovetop ways. The slow cooker completely eliminates the stirring element of caramelizing onions. After hours in the low heat, the sliced onions will become soft and jammy with a rich, dark brown coloring—no attention necessary. Although you’ll need to start this soup the morning of, you’ll gain nine hours of enticing aromas that will warm your kitchen on a chilly winter day. If you don’t plan to eat it all, freeze the bag of soup in a bowl rather than laying it flat, so it will fit in the saucepan when it's time to thaw. Get ready for this slow cooker french onion soup to be the most requested dish in your house.

Recipe by Cooking Light April 2015

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Read the full recipe after the video.

Recipe Summary

hands-on:
30 mins
total:
9 hrs
Yield:
Serves 12
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Ingredients

Ingredient Checklist

Directions

Instructions Checklist
  • Place butter, thyme, and bay leaf in the bottom of a 6-quart electric slow cooker. Add onions; sprinkle with sugar. Cover and cook on HIGH for 8 hours.

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  • Remove thyme and bay leaf; discard. Add stock, vinegar, salt, and pepper; cook, covered, on HIGH for 30 minutes.

  • Preheat broiler to high.

  • Arrange bread in a single layer on 2 baking sheets; broil 30 seconds on each side or until toasted. Place 1 cup soup in each of 12 (8-ounce) ramekins or ovenproof bowls, or follow freezing instructions. Top each serving with 2 bread slices and about 2 tablespoons cheese. Place 6 ramekins on a jelly-roll pan; broil 2 minutes or until cheese melts and begins to brown. Repeat procedure with remaining 6 ramekins, bread slices, and cheese.

Nutrition Facts

240 calories; fat 8.3g; saturated fat 4.8g; mono fat 2.3g; poly fat 0.6g; protein 9g; carbohydrates 33g; fiber 2g; cholesterol 23mg; iron 2mg; sodium 511mg; calcium 172mg.
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