Cherbah (Arabic)

Ingredients

• 1/4 cup olive oil
• 3 onions, sliced
• 6 tomatoes, peeled and coarsely chopped
• 3 garlic cloves, chopped
• 1 (6 ounce) jar pimientos, chopped
• 1/2 cup mint, finely chopped
• 6 cups chicken stock
• 4 tablespoons lemon juice
• 1 egg yolk, beaten
• 6 slices bread
• salt and pepper