Atkins Onion Soup

Prep: 15 min Cook: 60 min Serves: 4 Cuisine: American

A rich, comforting onion soup with caramelized onions, savory beef broth, and melty provolone cheese, perfect for cozy gatherings and satisfying cold weather cravings.

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Ingredients

  • 1/4 cup butter
  • 2 tablespoons oil
  • 1.5 pounds yellow onions, thinly sliced
  • 1 teaspoon salt
  • pinch of sugar
  • 2 tablespoons flour
  • 2 quarts beef bouillon
  • salt and pepper to taste
  • Provolone cheese

Instructions

  1. Melt butter in a large pot and add oil.
  2. Add thinly sliced onions to the pot.
  3. Cook slowly until onions are tender, stirring occasionally.
  4. Add salt, pepper, sugar, and flour; stir for 2 minutes.
  5. Add beef bouillon water to the pot.
  6. Cook over medium heat for 1 hour, allowing flavors to meld.
  7. Place toasted bread in serving bowls.
  8. Pour half of the hot soup over the bread in each bowl.
  9. Top the bread with slices of provolone cheese.
  10. Fill the bowls with the remaining soup and serve.

Tips & Substitutions

To enhance the flavor of your Atkins Onion Soup, consider using a mix of yellow and sweet onions for a richer sweetness. If you're looking for a gluten-free option, substitute the flour with cornstarch or a gluten-free flour blend. For a deeper flavor, add a splash of balsamic vinegar while cooking the onions. This soup pairs well with Meaty Rye Snacks, providing a delightful contrast in texture.

Serving Suggestions

Serve Atkins Onion Soup with crusty bread or a side salad for a complete meal. You can also add a sprinkle of fresh herbs like thyme or parsley for added freshness. This soup is perfect for a cozy night in and pairs beautifully with Cowboy Dip as a hearty appetizer. For a more filling option, consider serving with savory meat dishes from the Beef recipes category.

Storage & Reheating

Store leftover soup in an airtight container in the refrigerator for up to 3 days. To reheat, gently warm on the stove over low heat, stirring occasionally until heated through. For a quick option, use the microwave, heating in 1-minute increments and stirring in between. If the soup thickens, add a bit of water or broth to reach the desired consistency.

Nutrition & Diet Analysis (per serving)

Each serving of Atkins Onion Soup contains roughly 379 calories, with 10g protein, 46g carbohydrates, and 20g fat. It is an excellent source of vitamin C (69% of the Daily Value) and dietary fiber (28% of the Daily Value), and a good source of protein and potassium. Note that it is relatively high in sodium, at 2292mg per serving (100% of the Daily Value).

379 kcal 19% DV
Protein Fat Carbs

Macronutrients

Protein 9.7g 19% DV
Total Fat 19.7g 25% DV
Carbs 46.1g 17% DV
Fiber 7.7g 28% DV
Sugar 0g

Electrolytes

Sodium 2292mg 100% DV
Potassium 698.8mg 15% DV
Cholesterol 7.8mg 3% DV

Vitamins & Minerals

Vitamin A 10.9mcg 1% DV
Vitamin C 62mg 69% DV
Vitamin D 0mcg
Calcium 82.2mg 6% DV
Iron 2mg 11% DV
Diet fit High-fiber Under 400 cal
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use chicken bouillon instead of beef bouillon?

Yes, you can substitute chicken bouillon for beef bouillon in this recipe. However, the flavor will be lighter and slightly different. If you prefer a richer taste, opt for beef bouillon or homemade beef stock if available.

Can I make this soup ahead of time?

Absolutely! You can prepare the soup a day in advance. Let it cool completely before storing it in the refrigerator. The flavors will deepen overnight, making it even more delicious when reheated.

What can I use instead of provolone cheese?

If you don't have provolone cheese, you can substitute it with mozzarella or Gruyère cheese. Both options melt well and will complement the soup's flavors beautifully.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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