Ingredients

• 3 tablespoons minced garlic.
• 3 or 4 boiled potatoes, mashed. (or 6 slices white bread, crusts removed, soaked in 1/2 cup cold water and squeezed dry.)
• 1 cup olive oil.
• 1/3 cup white wine vinegar.
• Salt and pepper to taste.

Instructions

• Combine garlic with mashed potatoes or bread in a mortar.
• Blend to form a soft paste.
• Add olive oil and vinegar alternately in very small amounts, stirring briskly.
• Add salt and pepper. Continue to whisk until sauce is thick.