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Ingredients
- 3 tablespoons butter
- 2 large onions, sliced
- 2 egg yolks
- 6 cups milk
- 2 teaspoons salt (or to your liking)
- 14 teaspoon pepper (or to your liking)
- crouton (to garnish)
Method
- Melt butter in large skillet and cook onions until tender.
- Beat egg yolks in large bowl; stir in milk, salt, and pepper.
- Add this mixture to onions and cook, stirring constantly, until soup begins to thicken.
- Sprinkle with croutons when serving.
