Thick & Chewy Gluten-Free Oatmeal Chocolate Chip Cookies

These Thick & Chewy Gluten-Free Oatmeal Chocolate Chip Cookies stay soft for days, with thick, chewy centers and perfectly crisp edges.

There’s something about oatmeal chocolate chip cookies that just feels like home—but getting that same texture gluten-free can be tricky. These solve that. They’re soft in the center, slightly crisp on the edges, and loaded with oats, cinnamon, and melty chocolate.

No complicated steps, no weird ingredients—just a really good, dependable cookie you’ll come back to.

Why This Recipe Works

Getting gluten-free cookies to turn out thick and chewy (not dry or crumbly) comes down to a few simple things—and this recipe hits all of them.

Best Flour Options for Gluten-Free Baking

• The right flour blend
  Using a 1:1 gluten-free flour like Bob’s Red Mill helps mimic traditional flour, so the cookies hold together and bake up soft instead of fragile (see FAQ’s below if you’re using a different gluten-free flour)
• Brown sugar for moisture
  Brown sugar adds richness and keeps the centers soft and chewy, even after they cool.
• Oats for structure
  The rolled oats give these cookies their hearty texture and help support the dough, which is especially important in gluten-free baking.
• A short chill time
  Letting the dough rest in the fridge hydrates the flour and keeps the cookies from spreading too much in the oven.
• Slightly underbaking
  Pulling the cookies out when the centers still look soft is what giv

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Ingredients

Wet Ingredients

• 1 cup unsalted butter, room temperature
• 1½ cups brown sugar, packed
• ½ cup granulated sugar
• 2 large eggs
• 2 teaspoons vanilla extract

Dry Ingredients

• 2½ cups Bob’s Red Mill 1:1 Gluten-Free Flour
• 1 teaspoon baking powder
• 1 teaspoon baking soda
• 1 teaspoon salt
• 4 teaspoons ground cinnamon
• 1 tablespoon cornstarch (optional, but helps keep them soft)

Mix-Ins

• 3 cups rolled oats (gluten-free)
• 1½–2 cups chocolate chips

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How to Make Bakery-Style GF Cookies

1. Preheat oven

Preheat to 375°F. Line baking sheets with parchment paper.

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2. Mix dry ingredients

In a medium bowl, whisk together:

• gluten-free flour
• baking powder
• baking soda
• salt
• cinnamon
• cornstarch

Set aside.

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3. Cream butter and sugars

In a large bowl, beat butter, brown sugar, and granulated sugar until light and fluffy, about 2–3 minutes.

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4. Add eggs and vanilla

Mix in eggs one at a time, then stir in vanilla until fully combined.

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5. Combine wet and dry

Add the dry ingredients to the wet ingredients and mix just until combined. Do not overmix.

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6. Stir in oats and chocolate chips

Fold in oats until evenly distributed, then stir in chocolate chips.

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7. Chill the dough

Cover and refrigerate for at least 30–60 minutes (or up to overnight for best texture).

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8. Bake

• Scoop dough (about 2 tablespoons each) onto baking sheets
• Space cookies about 2 inches apart

Bake for 10–12 minutes, until edges are set and lightly golden while centers remain soft.

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9. Cool

Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack.

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Tips for Thick and Chewy Texture

• Chill the dough → helps prevent spreading
• Slightly underbake → keeps centers soft
• Scoop dough before chilling for thicker cookies
• Use a mix of chocolate chips for better flavor
• Sprinkle flaky salt on top right after baking

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Storage & Freezing Thick & Chewy Gluten-Free Oatmeal Chocolate Chip Cookies

• Store at room temperature (covered) for 3–4 days
• Freeze baked cookies up to 2 months
• Freeze dough balls and bake from frozen (+2–3 minutes)

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FAQs

Can I use a different gluten-free flour?

Yes, but make sure it’s a 1:1 blend that includes xanthan gum. If not, you’ll need to add some for structure.

This recipe was tested with Bob’s Red Mill 1:1 Gluten-Free Flour. If you use a different gluten-free flour, results may vary.

• If your blend does NOT include xanthan gum, add:
  → ½ teaspoon xanthan gum per cup of flour
• If your blend already includes xanthan gum, do not add more
• Some blends absorb moisture differently, so the dough may be slightly softer or thicker—this is normal
• If the dough feels too soft, chill longer (1–2 hours)

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Do I have to chill the dough for Thick & Chewy Gluten-Free Oatmeal Chocolate Chip Cookies?

No—but it’s highly recommended for thicker, chewier cookies.

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Can I make these dairy-free?

Yes. Swap the butter for a plant-based butter. The texture will be slightly softer but still delicious.

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Troubleshooting (Gluten-Free Cookies)

If your cookies didn’t turn out exactly how you expected, here are a few easy fixes:

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Cookies spread too much

• Dough wasn’t chilled long enough
• Butter was too soft or melted
• Try chilling dough 1–2 hours next time
• Scoop dough and chill as balls for thicker cookies

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Cookies are dry or crumbly

• Too much flour (GF flour is easy to overmeasure)
• Not enough moisture or fat
• Try adding:
  • 1 extra egg yolk
  • or 1–2 tablespoons milk

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Cookies didn’t hold together

• Your flour blend may not include xanthan gum
• Add ½ teaspoon xanthan gum per cup of flour next time
• Let dough rest or chill longer to hydrate

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Cookies are too soft or underbaked

• They may just need 1–2 more minutes
• Centers should look slightly underdone but not wet
• They firm up as they cool

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Cookies are too thick / didn’t spread

Or gently press dough balls slightly before baking

Dough may be too cold

Let sit at room temp for 10 minutes before baking

More Gluten Free Cookies

Banana Crumb

Chocolate Chip Oreo Crunch