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4.84 from 6 votes

Microwave French Onion Soup

Microwave French onion soup is a quick yet rich onion soup topped with croutons and shredded Swiss cheese made in less than 20 minutes.
Prep Time4 mins
Cook Time14 mins
Total Time18 mins
Course: Dinner
Cuisine: French
Keyword: Microwave French Onion Soup
Servings: 1 serving
Calories: 440kcal
Author: Dorm Room Cook Staff


  • 1 yellow onion
  • 1/4 teaspoon salt
  • 1 pinch black pepper
  • 2 tablespoons unsalted butter
  • 10.5 ounces beef broth , (this is 1 can)
  • 1/2 cup water
  • 1/2 teaspoon sugar
  • 1 tablespoon burgundy wine , optional (but I know we drank wine in college)
  • 1/2 cup croutons
  • 1/4 cup Swiss cheese , shredded


  • Slice onion and add it to your cereal bowl along with the butter, salt and pepper.
  • Microwave at high until melted, about 1 minute then stir the onions to make sure they are coated in the butter.
  • Cover with a wet paper towel and microwave on high 6-8 minutes or until onions are tender, stirring at least twice.
  • Blend in broth, water, sugar and wine.
  • Microwave on high heat for 6 minutes, covered with a wet paper towel.
  • Add the croutons and top with shredded Swiss cheese.
  • Microwave for 2 minutes, let cool slightly before eating.


Calories: 440kcal | Carbohydrates: 25g | Protein: 14g | Fat: 32g | Saturated Fat: 20g | Cholesterol: 85mg | Sodium: 1860mg | Potassium: 321mg | Fiber: 3g | Sugar: 7g | Vitamin A: 924IU | Vitamin C: 8mg | Calcium: 268mg | Iron: 1mg