High Calorie Oats Snack: Peanut Butter Oat Bars Recipe

No-bake peanut butter oat bars that are dense, chewy, and packed with calories. Three ingredients, one pan, a week's worth of high calorie snacking.

Cook 15 min Difficulty EASY 320 kcal
#vegetarian #mediterranean
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Ingredients
Main ingredients
  • old fashioned rolled oats 2 cups
  • peanut butter 1 cup
  • honey 0.5 cup
Seasonings/Sauce
  • vanilla extract 1 tsp
  • salt 0.25 tsp
Nutrition summary
Carbohydrates 27 g 34%
Protein 8 g 10%
Fat 17 g 56%
Serving size 60g
Cooking steps
  1. 1

    Line an 8x8-inch baking pan with parchment paper, letting excess hang over the sides for easy removal later.

  2. 2

    In a medium saucepan, combine peanut butter, honey, vanilla extract, and salt. Warm gently over low heat, stirring constantly until the mixture is smooth and loose—do not allow to simmer or boil.

  3. 3

    Remove the pan from heat and immediately stir in the rolled oats. Mix thoroughly until the oats are evenly coated and the mixture starts to thicken.

  4. 4

    Transfer the oat mixture to the prepared pan and firmly press into an even layer using a spatula or the back of a spoon. Push down hard to compact for dense bars.

  5. 5

    Cover and refrigerate for at least 2 hours or until firm and set. Use the parchment to lift the bars out, slice into 8 pieces, and serve chilled.

Personalized Q&A
Q. What's the key ingredient in this recipe?
Peanut butter is the core ingredient that gives these bars richness, high-calorie density, and the signature nutty chew, making it essential for both flavor and texture.
Q. Which step is most important for texture?
Firmly pressing the oat mixture into the pan in step 4 ensures the bars are dense and don’t crumble; it’s crucial for achieving the ideal chewy structure.
Q. How do I avoid under- or overmixing?
Mix the oats into the peanut butter mixture off the heat, ensuring even coverage but working quickly before the mixture stiffens. Overmixing isn't common, but undermixing leaves dry spots.
Q. What are the nutrition values per bar?
Each serving (60g) provides approximately 320 kcal, 27g carbohydrates (34% of calories), 8g protein (10%), and 17g fat (56%), making these bars a high-energy, balanced snack.
Q. Are these bars vegetarian and Mediterranean friendly?
Yes, all ingredients are plant-based and the recipe fits vegetarian standards. Using honey and oats, it also falls within Mediterranean diet guidelines focusing on whole grains and natural sweeteners.
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