A rich, savory soup made by slow-caramelizing onions, finished with toasted bread and melty cheese. Deeply comforting and full of soul.
Why It’s Special:
✅ Deep, layered flavor from simple ingredients
✅ Gooey melted cheese topping
✅ Perfect cozy meal for chilly days
Ingredients:
4 large yellow onions, thinly sliced
3 tbsp butter
1 tbsp olive oil
1 tsp sugar (optional, for caramelizing)
1 tbsp flour (for slight thickening)
5 cups beef or vegetable broth
Salt & black pepper to taste
1 bay leaf, 1 sprig thyme (optional)
Baguette slices, toasted
Gruyère or mozzarella cheese, grated
Instructions:
- Caramelize Onions:
Melt butter and olive oil in a large pot. Add onions and a pinch of salt. Cook on medium-low heat, stirring often, for 30–40 minutes until golden and jammy. Add sugar halfway if needed. - Thicken Slightly:
Sprinkle in flour. Stir and cook 1–2 minutes to remove raw taste. - Add Broth & Simmer:
Pour in broth. Add bay leaf and thyme if using. Simmer uncovered for 20 minutes. Season to taste. - Prepare Bread & Cheese:
Toast baguette slices. - Broil:
Broil briefly until cheese is bubbling and golden.
Serve Hot:
Enjoy with extra black pepper or fresh thyme!
Tips for Amazing Onion Soup:
✅ Low and slow caramelizing = best flavor.
✅ Use a mix of butter and olive oil for richness.
✅ Broil just before serving for maximum cheesiness.

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