Vegan Monster Cookie Bars

These Vegan Monster Cookie Bars are made with gluten-free oat flour, peanut butter, rolled oats, and loaded with chocolate peanut butter candies! They’re quick and easy to make, and taste just like the Monster Cookies you love!

I’m a cookie fiend – I can never get enough of them, and cookie bars are their sidekick favorite. These easy vegan Oatmeal Chocolate Chip Cookie Bars have been a major favorite since I posted them earlier this year, and I’m here to share a favorite twist on that recipe!!

Have you ever had a monster cookie? Usually XXL in size, and loaded with oats, peanut butter, and M&M candies for a colorful, delightful cookie that is as cute as it is delicious! These Monster Cookie Bars are a gluten-free and vegan take on that classic cookie, and they’re even easier to make — and way more wholesome! Let’s get into what you need to make them:

Ingredients you’ll need for monster cookie bars and substitutions:

• Peanut Butter: this is the most classic nut butter for monster cookie flavor, but you can use any you’d like — even a seed butter to keep it nut-free!
• Coconut Oil: this is our fat for the recipe. You can substitute vegan butter or regular butter if you eat dairy.
• Coconut Sugar: my favorite sweetener! Adds a nice subtle sweetness to the recipe.
• Flax Egg: a regular egg could also be used if preferred,
• Vanilla Extract: for flavor!
• Oat Flour: make sure to use gluten-free oat flour if you’re strictly gluten-free. You can also use almond flour.
• Rolled Oats: like above, make sure to use gluten-free if needed!
• Baking Soda & Salt
• Dark Chocolate Chips: chunks or chips will both work here.
• Peanut Chocoalte Candies: I used the dark chocolate peanut gems from Unreal Snacks, which don’t use artificial colors like classic M&M’s.

How to make these cookie bars:

1. Mix together the peanut butter, coconut oil, and coconut sugar. Once combined, stir in the flax egg and vanilla.
2. Stir in the flour, oats, baking soda, and salt. Mix until a dough forms.
3. Fold in the dark chocolate chips and dark chocolate peanut candies.
4. Press into an 8×8″ pan and bake for 18 minutes until browned on the edges but not overcooked in the center.
5. Cool, cut, serve, and enjoy!!

Tips to make ahead of time:

These monster cookie bars freeze quite well, so they’re perfect for making ahead of time if you need to!

How to store: I find these store best in an airtight container. They stayed fresh on the counter for 5 days. In the refrigerator, they should keep well for up to a week.

To freeze: I recommend placing them in an airtight container with parchment separating each layer to prevent them from sticking together. They will keep for at least 3 months.

Want more healthier sweet treats?

• Vegan Oatmeal Chocolate Chip Bars
• Peanut Butter Chocolate Chip Cookies
• Chewy Oatmeal Peanut Butter Cookies

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