By Grocery List Plus Editorial Staff | Published on June 3, 2026
Serves 10
68 cal · 60 min
Easy Onion Soup
Recipe GLPRe123627d19750a
A comforting and rustic French-inspired onion soup made with caramelized onions, a touch of wine, and warm spices. Simple ingredients combine to create a rich, deeply flavorful broth that's perfect for a light meal or appetizer.
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Ingredients
6 large onions, peeled and thinly sliced
2 tablespoons vegetable oil
3 tablespoons white flour
1 cup red or white wine
1/4 teaspoon ground nutmeg
Salt and pepper to taste
Directions
Heat the vegetable oil in a large pot or heavy-bottomed stockpot over medium heat. Once shimmering, add the sliced onions.
Cook the onions, stirring frequently, for 20–25 minutes until they are deeply golden and caramelized. The onions will reduce significantly and develop a rich, sweet flavor. Do not rush this step, as slow cooking is essential for developing the soup's signature taste.
Sprinkle the flour over the caramelized onions and stir well to coat them evenly. Cook for 1–2 minutes to remove the raw flour taste.
Carefully add the wine to the pot, stirring constantly to prevent lumps from forming. The mixture will bubble gently as the wine incorporates.
Pour in 6 cups of water and bring the soup to a gentle simmer. Season with ground nutmeg, salt, and pepper to taste.
Reduce heat to low and simmer uncovered for 15–20 minutes, allowing the flavors to meld and the broth to develop. Adjust seasoning as needed.
Ladle the soup into bowls and serve hot. If desired, you may garnish with fresh herbs or serve with crusty bread on the side.
Comments
This is a lean, honest soup that hits every mark for Charlotte cooks. All six ingredients are standard stock at Harris Teeter, Food Lion, Kroger, Walmart, and ALDI—no special trips needed. The cost per serving lands around 40 cents, driven almost entirely by onions and a splash of wine; budget three to four large onions and a modest pour of dry white. The stated 60 minutes is real time once you account for caramelizing the onions, which demands 30-40 minutes of occasional stirring but zero finesse—it's forgiving and scalable. A pot of ten servings reheats beautifully and feeds a family across two nights without degrading.
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