5-Ingredient Protein Bars (no-bake!)

User Reviews

4.9

462 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    5 mins

  • Total Time

    15 mins

  • Servings

    12 bars

  • Calories

    258 kcal

  • Course

    Breakfast, Snacks

  • Cuisine

    American

5-Ingredient Protein Bars (no-bake!)

These 5-Ingredient Protein Bars combine peanut butter, milk, maple syrup or honey, whey protein powder, and rolled oats in a no-bake mixture that sets firm enough to cut into bars. The texture is dense and chewy, with a mild sweetness balanced by peanut flavor and optional cinnamon or mix-ins. Pressing into a pan and allowing to cool fully ensures bars hold together without baking.

Description

The recipe starts by gently warming milk, peanut butter, and maple syrup or honey until combined. Plain or unflavored whey protein powder, rolled oats, and optional cinnamon or add-ins like chocolate chips or dried fruit are stirred in to create a thick mixture. If the mixture becomes too stiff to stir, small amounts of milk can be added gradually to maintain workability without becoming watery.

The mixture is pressed firmly into a greased pan to create an even layer and chilled until fully set. Once cool, it is cut into bars. Drizzling with melted chocolate is optional for added flavor and appearance, but bars are sturdy enough for packing as-is when mix-ins are included instead.

The bars offer a portable, protein-rich snack or light meal component, useful for replenishing energy during the day. Adjusting add-ins and sweeteners allows customization of flavor and texture.

This recipe recommends using standard measuring cups for protein powder rather than scoops from tubs to ensure accurate portion size. Options for dairy-free or nut-free substitutions include plant milks and sunflower butter respectively.

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Ingredients

Servings
  • ½ cup milk
  • 1 cup peanut butter chunky
  • ½ cup maple syrup or honey, plus extra to taste
  • 1 cup whey protein powder plain, unflavored recommended*
  • 2 cups rolled oats uncooked, whole
  • 1 tsp cinnamon optional
  • optional add-ins 1 cup: chocolate chips, raisins, dried blueberries, chopped dates, or melted chocolate for topping

Instructions

  1. In a medium heavy pot, combine milk, peanut butter, and maple syrup/honey over low heat. Stir just until all ingredients are well combined and warmed through. Remove from heat.
  2. Add protein powder, oats, and optional cinnamon or add-ins. Stir to combine well. Taste and add more maple syrup or honey if desired. If mixture is too thick to stir, add 1 tsp milk at a time just until it's stir-able; mixture should still be thick and not at all watery.
  3. Lightly grease an 8x8 pan. Press evenly into pan, using firm pressure to compress mixture into desired bar thickness. Tip: use wet or lightly greased hands to prevent sticking. 
  4. Allow bars to cool completely. Once cool, cut into squares. If desired, drizzle with melted chocolate and let cool completely. Wrap in airtight container and store at moderate room temp for several days, or chilled in fridge for a week. 

Notes

  • Measure protein powder with standard measuring cups, not the scoop included in tubs, for accuracy.
  • Unflavored whey protein powder without artificial ingredients is recommended to avoid aftertaste.
  • Dairy-free versions can use almond, coconut, soy, or oat milk, and nut-free versions can use sunflower butter instead of peanut butter.
  • When packing bars for transport, include mix-ins inside rather than drizzling toppings to keep the bars easier to handle.
  • You can use vanilla or chocolate protein powder as alternatives to plain, but flavor and sweetness may adjust accordingly.

Nutrition Information

Show Details
Serving 1bar Calories 258kcal (13%) Carbohydrates 24g (8%) Protein 14g (28%) Fat 13g (20%) Saturated Fat 3g (15%) Polyunsaturated Fat 3g (18%) Monounsaturated Fat 6g (30%) Cholesterol 16mg (5%) Sodium 112mg (5%) Potassium 243mg (5%) Fiber 2g (8%) Sugar 12g (24%) Vitamin A 41IU (1%) Vitamin C 0.01mg (0%) Calcium 76mg (8%) Iron 2mg (11%)

Nutrition Facts

Serving: 12bars

Amount Per Serving

Calories 258 kcal

% Daily Value*

Serving 1bar
Calories 258kcal 13%
Carbohydrates 24g 8%
Protein 14g 28%
Fat 13g 20%
Saturated Fat 3g 15%
Polyunsaturated Fat 3g 18%
Monounsaturated Fat 6g 30%
Cholesterol 16mg 5%
Sodium 112mg 5%
Potassium 243mg 5%
Fiber 2g 8%
Sugar 12g 24%
Vitamin A 41IU 1%
Vitamin C 0.01mg 0%
Calcium 76mg 8%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

4.9

462 reviews
Excellent

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