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.
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
- Add ½ cup shredded coconut for extra texture.
- Stir in mini chocolate chips after cooling slightly to prevent melting.
- Use chunky peanut butter for more crunch.
- Replace margarine with butter for richer flavor.
- Add a pinch of salt if using unsalted peanut butter.
- Press mixture into a pan rather than dropping by spoonfuls for uniform bars.
- Add ¼ cup chopped nuts (pecans or walnuts) for added crunch.
- Substitute almond butter if you prefer a different flavor.
- Drizzle melted chocolate over the top for a more decadent finish.
Transcription of the Original Recipe
Read or copy the transcription
Bess Boil together 2 minutes ½ c Pet milk 2 cup sugar ¼ c cocoa 1 stick margarine add ½ c peanuts butter 1 t vanilla ½ c nuts 3 c quick oats Cook 1 min. drop quickly by spoonful on waxpaper Ready to serve in 1 hr Makes 45 Presto Peanut Bars
From Transcription to Instructions
We love Bess's original directions for being short and to the point, but the original directions leave the order a little sudden, so our instructions break that note into gentle steps: first boil the milk, sugar, cocoa and margarine for 2 minutes while stirring, then remove from heat before stirring in the peanut butter, vanilla and nuts, and finally fold in the oats. We kept the ingredient amounts the same, and we spelled out dropping spoonfuls onto wax paper and letting them firm up for about an hour so you won’t be guessing what comes next.
Nutrition
Calories: 72kcalCarbohydrates: 10gProtein: 1.5gFat: 3gSaturated Fat: 1gPolyunsaturated Fat: 0.7gMonounsaturated Fat: 1.1gSodium: 22mgPotassium: 55mgFiber: 0.8gSugar: 7gVitamin A: 90IUCalcium: 6mgIron: 0.3mg
