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You are here: Home / Recipes / Homemade Protein Bars

Homemade Protein Bars

Last Modified: October 31, 2025

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These no-bake protein bars are chewy, wholesome, and naturally sweetened perfect for meal prep, snacks, or a healthy on-the-go breakfast. Made with oats, peanut butter, banana, and your favorite mix-ins, they’re a delicious way to fuel your day!


Table of Contents

Toggle
    • Ingredients
    • Instructions
  • Why You’ll Love This Recipe
  • Tips
  • Variations and Substitutions
  • FAQs
  • Serving and Suggestions
  • Homemade Protein Bars
    • Ingredients
    • Directions

Ingredients

  • 1 ½ cups old-fashioned rolled oats (135 g)
  • ¾ cup peanut butter (or other nut or seed butter) (180 g)
  • 1 banana, mashed (120 g)
  • ⅓ cup honey, agave, or real maple syrup (110 g)
  • Pinch of salt
  • ½ cup ground flaxseed (55 g)
  • 1 cup protein powder (120 g)*
  • 2 teaspoons vanilla extract (10 ml)
  • ¾ cup mix-ins — choose from chopped dates, dried fruit (blueberries, cranberries, or raisins), mini chocolate chips, unsweetened coconut flakes, or nuts (about 90 g)

*Choose a flavor that complements your mix-ins (vanilla or chocolate protein works best).


Instructions

  1. Mix the Base:
    In a large mixing bowl, combine the oats, peanut butter, mashed banana, honey, salt, flaxseed, protein powder, and vanilla extract. Stir until the mixture is well combined. It should be soft and sticky — not dry or crumbly.
  2. Adjust Texture (if needed):
    If the mixture feels too thick, add a small splash of water, milk, or an extra drizzle of honey to help it come together.
  3. Add Mix-ins:
    Stir in your favorite add-ins — dried fruit, nuts, or chocolate chips — until evenly distributed.
  4. Shape and Chill:
    Line an 8×8-inch pan with parchment paper. Press the mixture firmly and evenly into the pan. Refrigerate for at least 1 hour, or until set.
  5. Cut and Store:
    Slice into bars or squares. Store in an airtight container in the refrigerator for up to 2 weeks.

Why You’ll Love This Recipe

  • No-bake and ready in minutes — no oven required!
  • Naturally sweetened with honey and banana.
  • Packed with protein, fiber, and healthy fats.
  • Customizable with endless flavor combinations.
  • Great for post-workout fuel, school snacks, or busy mornings.

Tips

  • Press firmly into the pan so the bars hold their shape after chilling.
  • Wet your hands or spatula slightly to prevent sticking while pressing the mixture.
  • Chill thoroughly before slicing for clean, even bars.
  • For a softer texture, use creamy peanut butter; for firmer bars, use natural peanut butter with less oil.

Variations and Substitutions

  • Nut-Free Version: Use sunflower seed butter or tahini instead of peanut butter.
  • Low-Sugar Option: Replace honey with a sugar-free syrup or reduce the amount slightly.
  • Flavor Ideas:
    • Chocolate Peanut Butter: Add cocoa powder and chocolate protein powder.
    • Tropical: Use coconut flakes, macadamia nuts, and dried pineapple.
    • Berry Crunch: Add dried cranberries and crushed almonds.
  • Extra Protein: Add a spoonful of chia seeds or hemp hearts for a boost.

FAQs

Can I freeze these bars?
Yes! Wrap individually and freeze for up to 3 months. Thaw in the fridge or at room temperature before eating.

What kind of protein powder works best?
Any kind — whey, plant-based, or collagen. Just note that texture may vary slightly depending on the brand.

Why are my bars too crumbly?
Add a bit more nut butter or honey to help bind the ingredients together.

Can I bake these?
They’re designed as no-bake bars, but if you prefer a firmer, baked texture, you can bake them at 350°F (175°C) for about 10–12 minutes.


Serving and Suggestions

Enjoy these bars as a quick breakfast, pre- or post-workout snack, or healthy afternoon pick-me-up. Pair with a smoothie, yogurt, or fruit for a more balanced meal.

For presentation, drizzle melted dark chocolate on top or sprinkle with extra oats or coconut before chilling.

Homemade Protein Bars
Print

Homemade Protein Bars

Recipe by el hassan
Servings

16

servings
Prep time

10

minutes
Cooking timeminutes
Calories

184

kcal

Ingredients

  • 1 ½ cups old-fashioned rolled oats (135 g)

  • ¾ cup peanut butter (or other nut or seed butter) (180 g)

  • 1 banana, mashed (120 g)

  • ⅓ cup honey, agave, or real maple syrup (110 g)

  • Pinch of salt

  • ½ cup ground flaxseed (55 g)

  • 1 cup protein powder (120 g)*

  • 2 teaspoons vanilla extract (10 ml)

  • ¾ cup mix-ins — choose from chopped dates, dried fruit (blueberries, cranberries, or raisins), mini chocolate chips, unsweetened coconut flakes, or nuts (about 90 g)

  • *Choose a flavor that complements your mix-ins (vanilla or chocolate protein works best).

Directions

  • Mix the Base:
  • In a large mixing bowl, combine the oats, peanut butter, mashed banana, honey, salt, flaxseed, protein powder, and vanilla extract. Stir until the mixture is well combined. It should be soft and sticky — not dry or crumbly.
  • Adjust Texture (if needed):
  • If the mixture feels too thick, add a small splash of water, milk, or an extra drizzle of honey to help it come together.
  • Add Mix-ins:
  • Stir in your favorite add-ins — dried fruit, nuts, or chocolate chips — until evenly distributed.
  • Shape and Chill:
  • Line an 8×8-inch pan with parchment paper. Press the mixture firmly and evenly into the pan. Refrigerate for at least 1 hour, or until set.
  • Cut and Store:
  • Slice into bars or squares. Store in an airtight container in the refrigerator for up to 2 weeks.

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