Rustic Onion Soup

From a YouTube video Watch the original

Ingredients

• 12 large onions, sliced
• 1/2 pound of butter
• Flour
• 3 pints of boiling water
• 1 crusty penny loaf, cut into small pieces
• 3 egg yolks
• 1/2 spoonful of vinegar
• Salt and pepper to taste

Instructions

1. Melt butter in a stew pan, add sliced onions, and fry until browned.
2. Stir in flour and continue frying for a bit longer.
3. Pour in boiling water, add the crusty penny loaf pieces, and season with salt and pepper. Simmer for 15 minutes, stirring occasionally.
4. In a separate bowl, beat the egg yolks with vinegar. Slowly add some of the hot soup to the egg mixture while stirring to temper the eggs.
5. Combine the egg mixture with the rest of the soup, let it simmer to combine flavors, adjust seasoning, and serve hot.

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