By Grocery List Plus Editorial Staff | Published on June 14, 2026

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Spanish Onion Soup

Serves 2

354 cal · 35 min

Spanish Onion Soup

Recipe GLPR8bb5d6ce91af52

4.3(1)
Spanish
Soup
35 min
354 cal
Servings: 2
Stovetop
SNAP eligible

A classic Spanish onion soup featuring caramelized onions simmered in chicken broth and finished with a touch of flour for subtle body. This warming, elegant soup is traditionally served in two bowls and may be topped with fresh parsley and manchego cheese for added flavor and richness.

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Ingredients

1 tablespoon olive oil

1/2 small onion, thinly sliced

2 teaspoons all-purpose flour

3 cups chicken broth

Salt to taste

1 teaspoon fresh chopped parsley (optional)

1/3 cup grated manchego or parmesan cheese (optional)

Directions

  1. Heat the olive oil in a medium saucepan over medium heat. Add the sliced onion and cook slowly, stirring occasionally, for about 15 to 20 minutes until the onion becomes soft, golden, and caramelized.

  2. Sprinkle the flour over the caramelized onion and stir well to combine, cooking for about 1 minute to remove the raw flour taste.

  3. Pour in the chicken broth, stirring to blend smoothly with the onion and flour mixture. Increase heat to bring the soup to a simmer.

  4. Reduce heat to low and simmer gently for about 5 minutes, allowing the flavors to meld. Season with salt to taste.

  5. Ladle the soup into serving bowls. Top each bowl with fresh parsley and grated manchego or parmesan cheese if desired, and serve hot.

Comments

Grocery List Plus Editorial Staff4.25

Manchego cheese forces a special stop—Harris Teeter carries it in the specialty section, but Food Lion and ALDI won't have it reliably, adding a real errand to weeknight cooking. The 35-minute timer ignores caramelizing onions properly, which needs 25–30 minutes alone; realistic prep is 50–55 minutes total. Cost per serving runs $3–4 depending on broth quality and cheese choice, reasonable for two but stretches if you're feeding four. The soup keeps and reheats well, and all other ingredients are standard Charlotte grocery staples, making this a solid cool-weather dish once you account for the time and the cheese stop.

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