Irresistible Gluten Free S'Mores Protein Cookies

Soft, gooey, melty, and packed with protein, basically everything you love about a classic s’mores cookie but better for you and made in under 15 minutes, no campfire needed! These gluten free s’mores cookies bake up golden brown with gooey marshmallows, melty chocolate chunks, and gluten-free graham cracker pieces for the perfect balance of chewy texture and decadent flavors.

Whenever I want a high-protein dessert that still feels like my favorite campfire treat, I make these gluten free s'mores cookies. The cookie dough comes together in one large mixing bowl using simple pantry staple ingredients. The best part is, it requires no chilling or fancy equipment to make these gluten free cookies, which is my personal favorite recipe highlight!

If you love protein cookies, I have several different variations for you to try like my viral Monster cookies, protein packed gluten free oatmeal chocolate chip cookies, almond croissant protein cookies or these chunky monkey protein cookies.

Why You'll Love This Recipe

• They deliver real s’mores flavor with better ingredients. You still get the classic combination of melty chocolate, graham cracker pieces, and gooey marshmallows but in a cookie recipe made with gluten-free oats, protein powder, and pantry staples you can feel good about.
• They’re a high-protein treat that doesn’t taste “high-protein.” The balance of nut butter, chocolate, and marshmallows creates a chewy texture and dessert-level flavor while still offering a meaningful protein boost. 
• They come together in minutes with no chill time. Mix everything in one bowl, scoop onto a parchment-lined cookie sheet, and bake immediately! Perfect for a quick dessert, weeknight treat, or when you’re craving your favorite campfire treat without the effort.

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Gluten Free S'Mores Protein Cookies Ingredients & Tested Substitutions

• Grass-fed beef isolate protein powder. This type of protein powder gives the cookie dough structure without drying it out, and it delivers the best chewy-meets-gooey texture. Whey isolate will also work but produces a fluffier cookie. Vegan protein powder is the least predictable as the dough becomes thicker and the cookies turn out crunchier. Use beef isolate for the most consistent results.

• Gluten-free oats. These help bulk up the dough and give the cookies that classic oatmeal-cookie texture that plays well with melted marshmallow. Use certified gluten-free oats if you’re sensitive. My preference is to use Bob's Red Mill protein oatmeal for an extra protein boost. You can substitute quick oats for a softer texture.

• Gluten-free graham cracker crumbs. These bring the s’mores flavor forward and add a little crunch. Crush gluten-free graham crackers in a food processor or by hand until fine, or use gluten free graham cracker crumbs if you can find them. 

• Natural peanut butter. Acts as both a binder and a source of moisture, giving the cookies a rich, chewy texture. Room-temperature peanut butter mixes more smoothly with the wet ingredients. You can substitute almond butter or cashew butter if preferred.

• Maple syrup. Adds sweetness and moisture without making the dough runny. I do not recommend substituting this for honey or another liquid sweetener.

• Almond milk. Hydrates the dough just enough to bring it together into scoopable cookie dough. You can use any milk you like, dairy, oat, cashew, coconut, but choose unsweetened for best results.

• Vanilla extract. A high quality vanilla enhances the s’mores flavor and balances the richness of the chocolate and peanut butter. I don’t recommend skipping it.

• Baking powder. Helps the cookies puff slightly and set properly without becoming cakey. Do not substitute baking soda as it will over-spread the cookies.

• Kosher salt. Just enough to balance the sweetness and bring out the chocolate, graham, and marshmallow flavors. If using table salt, reduce the amount by half.

• Dark chocolate (bar or chunks). Chopped dark chocolate melts into small pockets for the perfect melty chocolate. You can use chocolate chunks, milk chocolate bars, or dairy free chocolate chips depending on your preference. Milk chocolate gives a more classic campfire s’mores flavor.

• Mini marshmallows (or vegan marshmallows). These melt into gooey marshmallow ribbons throughout the cookies which is the best part of a s’mores cookie, in my opinion. Vegan marshmallows melt slightly differently but still work great. Avoid full-size marshmallows unless you chop them into small chunks.

Gluten Free S'Mores Cookie Step by Step Instructions

1. Prep the baking sheet. Preheat your oven to 350°F and line a cookie sheet with parchment paper.

2. Mix the dry ingredients. In a large mixing bowl, add the protein powder, gluten-free oats, pb powder, gluten-free graham cracker crumbs, baking powder, and kosher salt. Whisk or stir to combine.

3. Add the wet ingredients. Add the natural peanut butter, maple syrup, almond milk, and vanilla extract to the same mixing bowl. Mix with a fork until a thick cookie dough forms.

4. Fold in the fun stuff. Add chopped dark chocolate and mini marshmallows. Stir until evenly distributed throughout the cookie dough. Note the dough will be thick, this is okay it's supposed to be like this!

5. Form the cookie dough balls. Use a large cookie scoop to portion the dough into 2-4 large cookie dough balls. Place on a prepared baking sheet, spacing them apart. Gently press down with your hand as they will spread a bit but not too much. Note if you use whey protein powder they will puff up significantly, so ensure you leave enough space between the cookies.

6. Bake. Bake for 8–10 minutes until the cookies look set around the edges and lightly golden brown. The middle of the cookie may still look soft which is okay, that’s what you want for melty chocolate and gooey marshmallows.

7. Set the cookies. If the cookies still seem slightly under-baked after 10 minutes, place the entire cookie sheet in the fridge for 5 minutes instead of adding extra minutes in the oven. This helps them firm up without overbaking.

8. Cool & enjoy. Transfer the cookies to a cooling rack or wire rack. Enjoy warm or store once fully cooled.

Expert Tips & Tricks 

• Room temperature nut butter mixes best. Cold peanut butter makes the dough stiff. Natural peanut butter also works best because the extra oil helps but be sure to mix it well. If it's too oily or runny it won't bind the cookie properly.
• Chop the chocolate into small chunks. They melt into perfect pockets without weighing down the dough.
• Don’t overbake. For the best chewy texture, remove when the edges are set. The middle will continue to firm up off the heat.
• Use a protein powder you like the taste of! If you don't like how your protein powder tastes, then you won't like how these cookies, or any protein dessert you make, tastes. I love to use the unflavored or chocolate protein powder from Equip Foods in these cookies but if you prefer a whey protein powder, I love the taste of Devotion Nutrition. My code PRETTYDELISH will save you 15% off at both shops!

Storage Tips

These cookies keep best in an airtight container at room temperature. Note that if you do use grass fed beef isolate, they only keep well for about 2 days at room temp. You can store them in the fridge and warm them for 5 to 10 seconds in the microwave when you're ready to enjoy to wake them back up.

Did you have a chance to make this recipe? If so, please leave me a 5 star rating and review below. I always love and appreciate hearing from you!