These Apple Crisp Bars are a tasty treat that combines sweet, juicy apples with a crunchy oat topping. They’re perfect for a snack or dessert that everyone will enjoy!
Making these bars is super easy, and I love how they smell while baking. Plus, you can enjoy them warm or let them cool and pack them for lunch. Yum! 🍏
Key Ingredients & Substitutions
All-Purpose Flour: This is the base for your bars, giving them structure. If you’re gluten-free, consider using a gluten-free flour blend instead; just make sure it has xanthan gum for binding.
Old-Fashioned Rolled Oats: They provide texture and chewiness. Quick oats will work in a pinch, but they won’t give the same heartiness. For gluten-free options, look for certified gluten-free oats.
Brown Sugar: This adds moisture and a rich flavor. If you’re out, you can substitute with white sugar, but adding a little molasses (about 1 teaspoon) will help mimic the taste.
Tart Apples: Granny Smith apples are perfect for this recipe, but you can also use Honeycrisp or Braeburn for a sweeter flavor. If you have sweeter apples, you may want to reduce the granulated sugar.
Nuts: Adding walnuts or pecans gives extra crunch and flavor. You can skip them if allergies are a concern, or substitute with seeds like sunflower seeds for a nut-free version.
How Can I Make Sure My Apple Crisp Bars Are Perfectly Baked?
Getting the baking time just right is important for these bars. You want them to be golden on top and bubbly in the apple filling. Here are some tips:
- Keep an eye on the color; if they start to darken too quickly, cover with foil for the last 10-15 minutes.
- Check for bubbling around the edges; it indicates that the apple filling is cooked through.
- Let the bars cool completely before cutting. This helps them set up properly and makes slicing easier.
Patience is key—cooling allows the flavors to meld, and the bars will be firm and delicious!

How to Make Delicious Apple Crisp Bars
Ingredients You’ll Need:
For the Crust and Topping:
- 1 cup all-purpose flour
- 1 cup old-fashioned rolled oats
- 1/2 cup brown sugar, packed
- 1/2 teaspoon cinnamon
- 1/4 teaspoon salt
- 1/2 cup (1 stick) unsalted butter, melted
For the Apple Filling:
- 2 large tart apples (such as Granny Smith), peeled, cored, and finely chopped
- 1/4 cup granulated sugar
- 1 teaspoon lemon juice
- 1 teaspoon vanilla extract
- 1/2 teaspoon ground cinnamon
- Optional: 1/3 cup chopped walnuts or pecans (for topping/filling)
Time Needed:
This recipe will take about 15 minutes to prepare and around 40-45 minutes to bake. Make sure to allow time for the bars to cool completely before cutting, which will take an additional 30-60 minutes depending on room temperature. In total, expect about 1 hour and 45 minutes before you can enjoy your delicious Apple Crisp Bars!
Step-by-Step Instructions:
1. Preheat the Oven:
Start by preheating your oven to 350°F (175°C). This will ensure your bars bake evenly. Prepare a 9×9-inch baking pan by greasing it or lining it with parchment paper for easy removal later.
2. Make the Crust Mixture:
In a large mixing bowl, mix together the all-purpose flour, rolled oats, brown sugar, 1/2 teaspoon of cinnamon, and salt. Once well combined, stir in the melted butter until the mixture is crumbly and resembles wet sand.
3. Form the Crust:
Take about 2/3 of the crumbly mixture and press it firmly into the bottom of your prepared pan. This will be the crust that holds all the delicious apple filling.
4. Prepare the Apple Filling:
In another bowl, toss the chopped apples with granulated sugar, lemon juice, vanilla extract, and the remaining 1/2 teaspoon of cinnamon. If you’re using nuts, add them now as well.
5. Assemble the Bars:
Spread the apple mixture evenly over the crust in the pan. Then, sprinkle the remaining crumb mixture over the top, covering the apples nicely.
6. Bake It Up:
Place the pan in your preheated oven and bake for 40 to 45 minutes. You’ll know they’re done when the top is lightly golden brown and the apple filling is bubbly.
7. Cool & Serve:
After baking, remove the pan from the oven and allow it to cool completely on a wire rack. Once cooled, use the parchment paper to lift the bars out of the pan, then cut them into squares. Enjoy your delicious Apple Crisp Bars warm or at room temperature!
These bars are perfect for sharing or enjoying all to yourself. They make a great snack or dessert any time of the year. Happy baking!

Can I Use Different Types of Apples for This Recipe?
Absolutely! While Granny Smith apples are tart and ideal for baking, you can also use Honeycrisp, Braeburn, or Fuji apples for a sweeter flavor. Just adjust the sugar accordingly if using sweeter varieties.
Can I Make These Gluten-Free?
Yes! Substitute the all-purpose flour with a gluten-free flour blend that includes xanthan gum. Ensure the oats are certified gluten-free as well if you’re sensitive to gluten.
How Should I Store Leftovers?
Store any leftover Apple Crisp Bars in an airtight container at room temperature for up to 3 days. If you want them to last longer, you can refrigerate them for up to a week or freeze them for up to 2 months. Just make sure to wrap them well to prevent freezer burn!
Can I Add Other Ingredients for Extra Flavor?
Definitely! You can mix in raisins or dried cranberries for added sweetness, or experiment with spices like nutmeg or ginger for a different flavor profile. Walnuts or pecans not only add crunch but also enhance the flavor, so feel free to get creative!


