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Delicious crumb bars with a creamy sour cream and apple center!

Apple pie sour cream crumb bars stacked on top of each other.

With rain and cooler temperatures here in Utah, I can feel that fall is just around the corner. Fall is my favorite season. I love how the leaves change. I love the cooler sweater temperatures. And I especially love fall baking!

Apple and pumpkin are my favorite things to bake with. I would bake year round with them if I could. When I woke up this morning I wanted to bake a treat that had apples in it. I immediately wanted to bake my favorite recipe for crumb bars. These things are amazing. The sweet sour cream center is delicious and is my favorite part! Everything that I love about apple pie is in these bars. And my house smelled amazing like apple pie while they were baking! If you love apple pie, you will these delicious bars!

sour cream apple crumb bars stacked on top of each other.

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Apple Pie Sour Cream Crumb Bars

4 from 1 vote
By: Alyssa Rivers
Delicious crumb bars with a creamy sour cream and apple center!
Prep Time: 15 minutes
Cook Time: 25 minutes
Total Time: 40 minutes
Servings: 8 Servings



  • 1/2 cup butter melted and cooled to room temperature
  • 1/2 cup light brown sugar
  • 1 1/2 cup all purpose flour
  • 1/2 tsp baking soda
  • 1/2 tsp baking powder
  • 1/4 tsp salt


  • 2 Granny Smith Apples chopped into small pieces
  • 1 Tablespoon Cinnamon
  • 1/4 teaspoon nutmeg
  • 1/2 cup sour cream
  • 1/4 cup granulated sugar
  • 1 Tbsp all purpose flour
  • 1 egg
  • 1/2 tsp vanilla extract


  • Preheat oven to 375 and prepare an 8×8 square pan by lining with parchment paper and spraying with cooking spray.
  • Make the crust by whisking together in a medium bowl the flour, brown sugar, baking soda, baking powder and salt. Add the melted butter. The dough will be crumbly but make sure all of the butter is incorporated.
  • Reserve 3/4 cup of the crust and press the remaining into the bottom of your 8×8 prepared baking pan.
  • For the sour cream filling, mix together in a large bowl the sour cream, sugar, 1 Tbsp flour, egg, and vanilla. Pour over the crust in your 8×8 pan.
  • In a medium sized bowl combine cinnamon and nutmeg. Coat the apples with the mixture and sprinkle apples evenly over sour cream mixture.
  • Sprinkle your reserved 3/4 cup crust over the top and bake for 25-28 minutes or until golden brown. Cool completely and serve into squares. Store in the refrigerator up to 3 days.


Calories: 330kcalCarbohydrates: 46gProtein: 4gFat: 15gSaturated Fat: 9gCholesterol: 58mgSodium: 277mgPotassium: 151mgFiber: 2gSugar: 25gVitamin A: 498IUVitamin C: 2mgCalcium: 64mgIron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Dessert
Cuisine: American
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About Alyssa Rivers

Welcome to my kitchen! I am Alyssa Rivers and the food blogger behind The Recipe Critic. The blog launched in 2012 as a place to share my passion for cooking. I love trying new things and testing them out with my family. Each recipe is tried and true, family-tested and approved.

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    1. I wouldn’t increase the number of apples unless you double the recipe! And yes, they can be frozen! Place them in an airtight container and they should last a couple of months in the freezer. Thaw them in the refrigerator overnight.

  1. Can you swap the fruit and not modify the recipe? For instance, I have a ton of blueberries, blackberries and raspberries that’d I’d love to use..?

    1. I haven’t tried it that way but that sounds delicious!! I think that is a great idea! I hope you love it and it turns out great for you! Let me know what you think! XOXO

  2. These sound yummy; I just put a batch in the oven, but your recipe is a little unclear. You call for 1/4 c. sugar, and you say to mix sour cream with sugar, then mix apples with sugar. Your comment clarifies that it is 1/4 for the apples. I also assumed it was 1/4 for the sour cream, etc. I think it will turn out fine, but others might freak out without the clarity. Can’t wait to try them!

  3. These look delish and I’m making them right now! I just have one question. In the ingredients for the filling it calls for 1/4 c sugar but in the directions it says to mix sugar and cinnamon and nutmeg and then later to mix sour cream and sugar, etc. how much sugar goes with the cinnamon and how much goes with the sour cream? Thanks!

    1. Sorry just seeing this! I remembered that I didn’t add sugar to the apple coating. I have fixed that. Hope they turned out ok! 🙂

  4. Great recipe, Alyssa. I assume that an additional 1/4 cup of sugar is needed for Step 5, since Step 4 would use the 1/4 cup listed in the ingredients listing. Anyway… I’m on my way to the kitchen to see if I can do your recipe the justice it deserves. 😀

  5. I’m making this now and I added 1/2 c brown sugar for crust, 1/4 c white sugar for sour cream filling, and see that the apple layer needs sugar-but I don’t see how much. Help!

    1. I just guessed and used 1/2 c of sugar for the apple layer and the sweetness was fine. However, mine were a lot darker colored than your picture and the cinnamon taste overwhelmed the sour cream layer (although I had to sub plain greek yogurt), could you have meant 2 teaspoons instead? My husband and kids didn’t mind and I thought they were tasty.

  6. Is the 2 tablespoons of cinnamon supposed to be teaspoons? I made these and everyone loved them but said there was a bit too much cinnamon.