Old-fashioned Sour Cream Pound Cake

Ingredients

• 3 cups sugar
• 1 cup butter
• 6 eggs, separated
• 2 teaspoons vanilla
• 1 tablespoon fresh lemon juice
• 1 cup sour cream
• 3 cups all-purpose flour, sift before measuring
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt