No-Bake Peanut Butter Chocolate Bars

Makes: 10 bars

Total Time: 1 hour 20 minutes

Prep Time: 20 minutes

Refrigeration Time: 1 hour


Ingredients For Base:

  • 3 Tbsp. reduced fat peanut butter
  • 2 Tbsp. unsalted butter or margarine
  • 12 large marshmallows
  • 1/3 cup PediaSure® Grow & Gain Shake Mix Powder
  • 1 cup corn flakes, crushed (about 1/3 cup crumbs)
  • 1 cup crispy rice cereal
  • 1/4 cup quick-cooking instant oats

Ingredients For Topping:

  • 1/3 cup semi-sweet chocolate chips
  • 2 Tbsp. reduced fat peanut butter


Line an 8 x 4-inch loaf pan with foil, allowing foil to overlap edges of pan. Lightly oil bottom surface of foil. Combine peanut butter, butter, and marshmallows in a microwave-safe bowl. Microwave on high about 20 seconds. Mix until all is melted and well-mixed. In a large bowl, combine PediaSure Grow & Gain Shake Mix Powder, corn flake crumbs, rice cereal, and oats. Add peanut butter mixture and stir to combine. Lightly oil clean hands and press mixture into pan in an even layer. Combine chocolate chips and peanut butter in a microwave-safe bowl. Microwave about 15 seconds and mix until smooth. Spread chocolate mixture over base and refrigerate 1 hour. Remove bars from pan by lifting up with edges of foil. Place on a cutting board and cut into 10 pieces. Store bars in refrigerator in an airtight container. Allow bars to come to room temperature before eating.

Kid-Friendly Steps:

Counting out marshmallows
Pressing base layer into pan (Note: Lightly oil hands to keep mixture from sticking)
Mixing chocolate and peanut butter together for topping

Can be made with:

Grow & Gain Shake Mix Powder