Go Back
+ servings
Handwritten recipe for Presto Peanut Bars
Presto Peanut Bars are a classic no-bake treat, often whipped up quickly for school lunches, bake sales, or family gatherings. Popularized in mid-century kitchens for their speed and simplicity, these bars combine pantry staples like cocoa, oats, and peanut butter into chewy, chocolatey morsels. They're a nostalgic dessert that continues to please today, thanks to their ease of preparation and rich flavor.
Prep Time 10 minutes
Cook Time 3 minutes
Cooling Time 1 hour
Total Time 1 hour 13 minutes
Course Snack
Cuisine American
Servings 45 bars
Calories 101 kcal

Ingredients
  

  • ½ cup pet (evaporated milk)
  • 2 cups sugar
  • ¼ cup cocoa
  • ½ cup margarine
  • ½ cup peanut butter
  • 1 tsp vanilla extract
  • ½ cup chopped nuts (optional)
  • 3 cups quick oats

Instructions
 

Step 1: Boil Base

  • In a saucepan, combine pet milk, sugar, cocoa, and margarine.
  • Bring to a boil and cook for 2 minutes, stirring constantly.

Step 2: Mix Add-Ins

  • Remove from heat.
  • Stir in peanut butter, vanilla extract, and chopped nuts.

Step 3: Add Oats

  • Mix in quick oats until well combined.

Step 4: Form Bars

  • Drop mixture by spoonfuls onto wax paper or wafers.
  • Let cool until firm, about 1 hour.

Tips

  • Use butter instead of margarine for richer flavor.
  • Swap peanut butter for almond or sunflower seed butter for allergy-friendly options.
  • Add shredded coconut for extra texture.
  • Chill in the refrigerator for quicker setting.
  • Try shaping into squares in a parchment-lined pan and cutting after cooling.

Nutrition

Calories: 101kcalCarbohydrates: 14gProtein: 2gFat: 5gSaturated Fat: 1gPolyunsaturated Fat: 2gMonounsaturated Fat: 2gSodium: 37mgPotassium: 54mgFiber: 1gSugar: 9gVitamin A: 103IUVitamin C: 1mgCalcium: 7mgIron: 0.4mg
Keyword cocoa, no-bake, peanut butter, quick treat
Tried this recipe?Let us know how it was!