🎉 Introduction
Looking for a dessert that’s fast, fuss-free, and requires almost no cleanup? These One Bowl Brown Sugar Cinnamon Cookie Bars are here to save your sweet tooth and your sink. With just a few pantry staples, no mixer, and only one bowl, you’ll have warm, chewy, cinnamon-kissed bars that taste like a cross between a blondie and a snickerdoodle.
They’re perfect for those last-minute cravings, unexpected guests, or lazy Sunday baking sessions. Ready in under 30 minutes, these cookie bars are rich with brown sugar caramel notes, a hint of warm cinnamon, and that sweet crackly top thanks to a light sugar sprinkle.
Even better? This recipe is ultra-adaptable. Add chocolate chips, nuts, or a swirl of jam — or keep them beautifully simple. However you slice them, these cookie bars are a guaranteed hit.
🧰 Equipment Needed
- Medium mixing bowl
- Whisk or spoon
- Rubber spatula
- Measuring cups & spoons
- 8×8 inch baking pan
- Parchment paper (optional for easier cleanup)
- Oven
🍽️ Because dessert should be simple — and so should dishes!
🛒 Ingredients
🍪 One Bowl Cinnamon Cookie Bars
- ½ cup butter, melted
- 1 cup brown sugar (light or dark)
- 1 large egg
- 1 tsp vanilla extract
- 1 cup all-purpose flour
- 1 tsp ground cinnamon
- 1 pinch salt
- 5 tsp granulated sugar (for topping)
👩🍳 Directions
Step 1: Preheat & Prepare Pan
- Preheat your oven to 350°F (175°C).
- Line an 8×8 baking pan with parchment or grease well.
Step 2: Mix Wet Ingredients
- In a medium mixing bowl, add melted butter and brown sugar. Stir until smooth.
- Add the egg and vanilla extract. Mix until fully incorporated.
🥄 No electric mixer needed — just a whisk or spoon and a little elbow grease!
Step 3: Add Dry Ingredients
- Add flour, cinnamon, and a pinch of salt.
- Stir until a thick batter forms. Don’t overmix.
Step 4: Pour & Sprinkle
- Pour batter into prepared pan and smooth the top.
- Sprinkle the 5 teaspoons of sugar evenly across the surface. This gives a sweet, sparkly crust.
Step 5: Bake
- Bake for 22–25 minutes, or until the top is golden and a toothpick inserted in the center comes out clean.
- Let cool for at least 10 minutes before slicing into squares.
🍂 Your kitchen will smell like brown sugar and cinnamon heaven.
🍽️ Servings & Timing
- Yield: 9–12 bars
- Prep Time: 10 minutes
- Bake Time: 25 minutes
- Total Time: ~35 minutes
Great for snack-time, dessert, or coffee break cravings.
🧊 Storage & Reheating
Room Temp
- Store in an airtight container for up to 4 days.
Fridge
- Stays fresh for up to 1 week chilled.
Freezer
- Wrap bars individually and freeze for up to 2 months. Thaw at room temp or microwave for 10–15 seconds.
🥄 Variations
- 🍫 Chocolate Chip Bars – Add ½ cup chocolate chips for gooey sweetness.
- 🌰 Nutty Cinnamon Bars – Stir in ½ cup chopped pecans or walnuts.
- 🧁 Frosted Version – Top cooled bars with cream cheese glaze or vanilla icing.
- 🫐 Jam Swirl – Drop dollops of jam into the batter and swirl before baking.
- 🥥 Coconut Twist – Sprinkle shredded coconut on top before baking.
❓ 10 FAQs
1. Can I use dark brown sugar?
Yes! It adds a deeper molasses flavor.
2. What if I don’t have cinnamon?
You can skip it, but cinnamon adds warmth. Nutmeg or pumpkin spice also works.
3. Can I double the recipe?
Absolutely — use a 9×13 pan and add 5–10 minutes to the baking time.
4. Can I make these gluten-free?
Yes, substitute a 1:1 gluten-free flour blend.
5. Why use melted butter?
It gives the bars that chewy texture and caramelized flavor.
6. Can I use white sugar instead of brown?
You can, but it will change the flavor and texture — brown sugar gives it that deep, chewy goodness.
7. Can I add a swirl of peanut butter?
Yes! Drop spoonfuls on top and swirl with a knife before baking.
8. Do I need to chill the dough?
Nope! Just mix, bake, and enjoy.
9. Can kids make this recipe?
Definitely — it’s super simple and great for beginners.
10. What’s the best way to serve them?
Warm, with a scoop of vanilla ice cream or a cup of coffee.
🏁 Conclusion
If you’re craving something simple, sweet, and soul-satisfying, these One Bowl Brown Sugar Cinnamon Cookie Bars are the answer. With zero fancy steps and minimal cleanup, they’re the perfect weeknight dessert or rainy day bake. Soft, chewy, cinnamon-spiced, and lightly crackled on top, they’re proof that sometimes the simplest things are the best.
So grab one bowl, a spoon, and your craving — and let’s bake magic with minimal effort.

One Bowl, No Mixer! Brown Sugar Cinnamon Cookie Bars – Quick, Easy & Addictively Delicious
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C).
- Line an 8×8 baking pan with parchment or grease well.
- In a medium mixing bowl, add melted butter and brown sugar. Stir until smooth.
- Add the egg and vanilla extract. Mix until fully incorporated.
- Add flour, cinnamon, and a pinch of salt.
- Stir until a thick batter forms. Don’t overmix.
- Pour batter into prepared pan and smooth the top.
- Sprinkle the 5 teaspoons of sugar evenly across the surface. This gives a sweet, sparkly crust.
- Bake for 22–25 minutes, or until the top is golden and a toothpick inserted in the center comes out clean.
- Let cool for at least 10 minutes before slicing into squares.
Notes
Store in an airtight container for up to 4 days. Fridge
Stays fresh for up to 1 week chilled. Freezer
Wrap bars individually and freeze for up to 2 months. Thaw at room temp or microwave for 10–15 seconds. 🥄 Variations 🍫 Chocolate Chip Bars – Add ½ cup chocolate chips for gooey sweetness. 🌰 Nutty Cinnamon Bars – Stir in ½ cup chopped pecans or walnuts. 🧁 Frosted Version – Top cooled bars with cream cheese glaze or vanilla icing. 🫐 Jam Swirl – Drop dollops of jam into the batter and swirl before baking. 🥥 Coconut Twist – Sprinkle shredded coconut on top before baking. ❓ 10 FAQs 1. Can I use dark brown sugar?
Yes! It adds a deeper molasses flavor. 2. What if I don’t have cinnamon?
You can skip it, but cinnamon adds warmth. Nutmeg or pumpkin spice also works. 3. Can I double the recipe?
Absolutely — use a 9×13 pan and add 5–10 minutes to the baking time. 4. Can I make these gluten-free?
Yes, substitute a 1:1 gluten-free flour blend. 5. Why use melted butter?
It gives the bars that chewy texture and caramelized flavor. 6. Can I use white sugar instead of brown?
You can, but it will change the flavor and texture — brown sugar gives it that deep, chewy goodness. 7. Can I add a swirl of peanut butter?
Yes! Drop spoonfuls on top and swirl with a knife before baking. 8. Do I need to chill the dough?
Nope! Just mix, bake, and enjoy. 9. Can kids make this recipe?
Definitely — it’s super simple and great for beginners. 10. What’s the best way to serve them?
Warm, with a scoop of vanilla ice cream or a cup of coffee. 🏁 Conclusion If you’re craving something simple, sweet, and soul-satisfying, these One Bowl Brown Sugar Cinnamon Cookie Bars are the answer. With zero fancy steps and minimal cleanup, they’re the perfect weeknight dessert or rainy day bake. Soft, chewy, cinnamon-spiced, and lightly crackled on top, they’re proof that sometimes the simplest things are the best. So grab one bowl, a spoon, and your craving — and let’s bake magic with minimal effort.