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Ingredients
- 5 cups thinly sliced yellow onions
- 3 cloves garlic - sliced
- 1 tbsp. unsalted butter
- 2 tbsp. Extra Virgin Olive Oil
- 4 cups Chicken or Vegetable stock
- 1/2 tsp. Fine Sea Salt
- 1/4 tsp. freshly ground White pepper
- 10 slices French bread - sliced about 1/4" thick
- olive oil for brushing
- Parmigiano-Reggiano cheese - grated
Preparation
Step 1
In a large sauce pan or Dutch oven, heat the butter and oil. Add the sliced onions and garlic. Reduce to medium-low heat and cook for about 1 hour, stirring from time to time until limp and nicely browned. Add stock, salt, pepper and bring to a boil. Reduce to low, cover and simmer 30 minutes.
In the meantime, brush each breach slice with olive oil. Preheat oven to 400 degrees and bake them on a baking sheet until both sides are brown - about 6-8 minutes. Remove and sprinkle with cheese and put back into the oven for the cheese to melt. To serve, top each bowl of soup with 2 of the croutons