Back to School Bars

Ingredients

• 34 cup firmly packed brown sugar
• 12 cup sugar
• 1 (8 ounce) container plain low-fat yogurt or 1 (8 ounce) container low-fat vanilla yogurt
• 2 egg whites
• 2 tablespoons vegetable oil
• 1 jar prune baby food
• 2 tablespoons milk
• 2 teaspoons vanilla
• 2 teaspoons cinnamon
• 1 12 cups flour
• 1 teaspoon baking soda
• 12 teaspoon salt (optional)
• 3 cups oats (I used 1/2 quick and 1/2 old fashioned)
• 1 cup dried cranberries or 1 cup raisins