HEAT oven to 350 degrees F. Spray an 8 x 8-inch baking pan with no-stick cooking spray.
BREAK eggs into a large bowl; whisk until well combined. Add milk, sugar, vanilla and cinnamon; whisk until well combined. Add peanut butter; whisk until well mixed.
CUT or tear bread into 1-inch squares and add to bowl. Add raisins and gently stir to mix well. Pour bread mixture into prepared baking pan.
BAKE until the mixture is set and the top is golden brown (about 25 minutes). Remove from oven and place on a baking rack to cool.
SERVE warm, spooned into bowls and topped with fruit yogurt.