Chunky Apple Pie Bars

By Emma
Certified Culinary Professional
Ingredients
- 1 cup rolled oats
- 1 cup packed brown sugar
- 1 cup all-purpose flour
- 1/4 tsp salt
- 1 tsp ground cinnamon
- 10 tbsp chilled unsalted butter cut into cubes (try coconut oil for butter twist)
- 2 ½ cups all-purpose flour
- 1/2 tsp salt
- 1 tsp cinnamon
- 12 tbsp softened unsalted butter
- 3/4 cup white sugar
- 1/2 cup packed brown sugar
- 1 tsp pure vanilla extract
- 5 cups thinly sliced tart apples (Granny Smith or Cortland best)
- 1/2 cup granulated sugar
- 1 tsp cinnamon
- 1/4 tsp nutmeg
- 1 tbsp lemon juice
- 2 tbsp cornstarch
- Water as needed
About the ingredients
Method
- Streusel first. Whisk oats, brown sugar, flour, salt and cinnamon in medium bowl. Butter cubes? Cut in fast with pastry cutter or fingertips till coarse clumps form. No warm hands here or butter melts too soon. Cover, fridge it while prepping crust and filling.
- Crust next. Whisk flour, salt and cinnamon in large bowl. In stand mixer or handheld beat soft butter, white sugar and brown sugar until fluffier but not melting. Vanilla in next. Low speed, add dry stuff in intervals. Don’t rush or flour flies everywhere.
- Press that dough evenly into 9x13 pan. Important: Chill solid for 20 mins. It stops sliding, helps sharp crust edges later. Oven to 375°F. Bake crust alone 18 minutes, edges firming, pale golden, smell toasted flour. Cool crust while lowering oven to 350°F.
- Apples waiting: Toss slices with sugar, cinnamon, nutmeg. Lemon juice and cornstarch whisked smooth, coats apples well. Heat a large saucepan medium. Apples in. Stir every 2 minutes, add splash water if mixture clings burnt. You want tender but firm in spots; once apples start breaking down, pull back from heat.
- Layer soft apple mixture thick and even over baked crust. Top with chilled streusel scattered. Loose clumps best for crunch pockets.
- Bake 30 to 35 minutes at 350°F. Look for browned streusel, bubbling fruit around edges—signals cooked through but moist. Cool fully before slicing, or filling will run. Serve straight or add vanilla ice cream for contrast.
- Common misses: Too warm dough = soggy crust. Too little cornstarch = runny filling. No lemon = apples brown fast, dull taste. Sub coconut oil in streusel for slight tropical twist; use maple sugar over brown sugar for unique depth.
- If crust edges puff too much or shrink, poke a few holes before chilling to vent. If filling dries out, tent foil last 10 mins. Don’t overmix dough or crumb will harden.
- Listen for crust crack as you cut bars, smell cinnamon heavy in kitchen. That’s your green light.
Cooking tips
Chef's notes
- 💡 Start cold butter chunks in streusel. Cut fast with pastry cutter or fingertips. Warm hands? Butter melts too soon, ruins clumps. Chill streusel while you prep crust and filling. Blocks moisture early, helps crisp layers later.
- 💡 Press crust dough evenly into pan. Thin spots burn, thick spots soggy. Chill at least 20 minutes before first bake. Oven smells toasted flour, edges light golden mean crust firm enough. Cool crust fully before apples keep moisture out.
- 💡 Use tart apple slices for filling. Thick enough so slices hold shape without mush. Toss well with sugar, cinnamon, nutmeg. Lemon juice keeps color bright, stops browning. Cornstarch mixed with lemon juice first, then apples to avoid lumps.
- 💡 Cook apples on medium heat stirring every couple minutes. Water splash stops sticking but too much makes runny filling. Pull off heat when apples break down but some firmness remains. Layer thickly over crust, streusel on top in loose clumps for crunch contrast.
- 💡 Bake final bars at 350°F 30-35 minutes. Look for browned streusel with bubbling fruit edges. Smell cinnamon heavy in kitchen, listen for crust crack when slicing later. Cool fully to set—warm bars = runny filling. Tent foil last 10 if browning too fast.
Common questions
Can I swap apple types?
Use tart ones like Granny Smith or Cortland only. Sweeter apples turn mush fast or watery fill. Texture changes fast. Experiment if needed but best tart and firm slices.
What if filling too runny?
Add more cornstarch mixed with lemon juice before cooking. Cook uncovered longer to reduce liquid. Use thick starch alternatives if out of cornstarch. Adjust bake times for setting.
How to avoid soggy crust?
Chill dough before baking. Bake crust solo first till pale golden, edges firm. Cool fully first. Layer apples only after crust fully set. Don’t overmix dough or it toughens. Cold butter crucial.
How store leftovers?
Airtight container in fridge for 3-4 days. Freeze bars individually wrapped; thaw slows sogginess. Reheat gently if desired. Don’t leave out too long or filling softens crust.


