Monster Cookie Protein Bars Recipe

Introduction

These Monster Cookie Protein Bars offer a delicious and nutritious way to fuel your day. Packed with peanut butter, oats, and chocolate, they make a perfect snack for anyone needing a protein boost on the go.

Ingredients

• 1 cup creamy natural peanut butter (must be natural, the kind with oil separating out)
• 5 tablespoons maple syrup
• 1 teaspoon vanilla extract
• ½ cup oat flour
• 60 grams vanilla whey protein powder (about ½ cup + 2 tablespoons)
• 1 tablespoon mini chocolate chips
• ¼ cup mini M&M’s

Instructions

1. Step 1: Add the peanut butter, maple syrup, vanilla extract, oat flour, and protein powder to a large bowl.
2. Step 2: Mix everything together with an electric mixer or by hand using a silicone spatula until well combined.
3. Step 3: Fold in the mini chocolate chips and mini M&M’s until evenly distributed throughout the mixture.
4. Step 4: Line a loaf pan or meal prep container with parchment paper. Press the dough firmly into the container, using your hands or a spoon to form a thick, even layer.
5. Step 5: Cover the container with plastic wrap and place it in the freezer for 1 hour, or until the mixture is firm.
6. Step 6: Lift the parchment paper out of the container and use a knife to cut the dough into 6 to 8 bars.
7. Step 7: Wrap each bar individually and store in the fridge for up to 1 week, or place in freezer bags and keep in the freezer for up to 2 months.

Tips & Variations

• Use rolled oats ground into flour if you don’t have oat flour on hand.
• Swap mini M&M’s for your favorite nuts or dried fruit for a different texture and flavor.
• For a dairy-free option, choose a plant-based protein powder instead of whey.
• If you prefer chewier bars, reduce the oat flour slightly and increase peanut butter by a tablespoon.

Storage

Store the bars wrapped individually in the refrigerator for up to one week. For longer storage, freeze the bars in airtight freezer bags for up to two months. Thaw in the fridge before eating or enjoy them chilled for a firmer texture.

How to Serve

Serve this delicious recipe with your favorite sides.

FAQs

Can I use crunchy peanut butter instead of creamy?

Yes, but the texture will be chunkier in the bars. Creamy peanut butter helps create a smoother, more cohesive bar.

Will these bars be sticky? How do I prevent sticking?

Because of the natural peanut butter and syrup, the bars can be slightly sticky. Wrapping them individually in parchment or plastic wrap helps prevent sticking and keeps them fresh.

Monster Cookie Protein Bars Recipe

Print Recipe

★★★★★

4.8 from 75 reviews

These Monster Cookie Protein Bars combine creamy natural peanut butter, oat flour, and vanilla whey protein for a satisfying, nutrient-packed snack. Infused with mini chocolate chips and mini M&M’s, these bars offer a perfect balance of sweetness and protein, making them ideal for a quick energy boost or post-workout fuel. No baking required—just a simple mix, chill, and cut.

• Author: Naya
• Prep Time: 10 minutes
• Cook Time: 0 minutes
• Total Time: 1 hour 10 minutes
• Yield: 6–8 bars 1x
• Category: Snack
• Method: No-Cook
• Cuisine: American
• Diet: Vegetarian

Ingredients

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Dry Ingredients

• ½ cup oat flour
• 60 grams vanilla whey protein powder (about 1/2 cup + 2 tablespoons)
• 1 tablespoon mini chocolate chips
• ¼ cup mini M&M’s

Wet Ingredients

• 1 cup creamy natural peanut butter (must be natural, oil separated)
• 5 tablespoons maple syrup
• 1 teaspoon vanilla extract

Instructions

1. Combine Ingredients: Add the peanut butter, maple syrup, vanilla extract, oat flour, and protein powder to a large bowl. This forms the base of your protein bars, balancing wet and dry elements for optimal texture.
2. Mix Thoroughly: Mix everything together with an electric mixer or by hand using a silicone spatula until the mixture is well combined and uniform in texture.
3. Add Mix-ins: Fold in the mini chocolate chips and mini M&Ms until evenly distributed throughout the dough, ensuring each bar will have a bit of sweetness and crunch.
4. Press into Pan: Line a loaf pan or meal prep container with parchment paper. Press the dough firmly into the container using your hands or a spoon, ensuring it is spread evenly and compressed into a thick base.
5. Chill to Set: Cover the container or loaf pan with plastic wrap and place it in the freezer for 1 hour, or until firm to help the bars hold their shape.
6. Slice Bars: Remove the set mixture from the container by lifting the parchment paper out. Use a knife to cut it into 6 to 8 evenly sized bars, depending on desired portion size.
7. Store Properly: Wrap each bar individually. Store them in the refrigerator for up to 1 week or freeze in freezer bags for up to 2 months to maintain freshness and texture.

Notes

• Use natural peanut butter with oil separation for best texture and flavor.
• Oat flour can be made at home by grinding rolled oats in a blender until fine.
• Bars can be customized by swapping mini M&Ms for other mix-ins like nuts or dried fruit.
• For a firmer bar, extend the freezing time after shaping.

Keywords: protein bars, monster cookie, peanut butter bars, no bake snack, healthy snack, whey protein, oats, maple syrup