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Amazing 6-Ingredient Apple Crisp with Crunchy Oat Topping

By:

August 16, 2025

Apple Crisp

Nothing says “fall” to me quite like the smell of apple crisp baking in the oven. It’s the dessert my mom always made when the first crisp autumn air rolled in, filling our kitchen with the most incredible cinnamon-spiced aroma. That golden, buttery topping crackling over tender apples? Pure comfort in every bite.

This apple crisp recipe is my go-to when I need something simple but special – you probably have all the ingredients in your pantry right now! Just a handful of basic items transform into magic with minimal effort. The oatmeal brown sugar topping gets perfectly crisp while the apples soften into jammy goodness underneath. Trust me – your house will smell amazing, and everyone will be hovering around the oven asking when it’ll be ready.

What I love most is how forgiving it is. No fancy techniques, no waiting for butter to soften – just melt, mix, and bake. It’s the kind of dessert that feels like a warm hug, whether you’re serving it at a dinner party or sneaking a midnight snack straight from the pan.

Ingredients for Apple Crisp

Grab these simple ingredients for a perfect apple crisp – I bet you have most already! The magic happens with just a few pantry staples:

  • 6 firm apples (I always use Granny Smith – peeled and sliced about ¼ inch thick)
  • 1 cup old-fashioned oats (not instant – we want that great texture!)
  • ½ cup butter (melted – I just zap it in the microwave for 30 seconds)
  • ½ cup packed brown sugar (pack it tight in your measuring cup)
  • 1 teaspoon cinnamon (plus an extra sprinkle for the apples if you’re feeling fancy)

See? Nothing complicated here – just good, honest ingredients that come together into something amazing. Now let’s make some magic!

How to Make Apple Crisp

Apple Crisp
Amazing 6-Ingredient Apple Crisp with Crunchy Oat Topping 12

This is where the magic happens! Making apple crisp is so easy you’ll wonder why you don’t make it every week. Just follow these simple steps and you’ll have a bubbling, golden-brown dessert ready in no time. The hardest part will be waiting for it to cool enough to eat!

Preparing the Apples

First things first – let’s tackle those apples! Grab your trusty peeler (or a sharp paring knife if you’re old-school like me) and remove all the skins. I like to slice them about ¼ inch thick – not too thin or they’ll turn to mush, not too thick or they won’t soften properly. Toss them right into your baking dish as you go!

Making the Oatmeal Brown Sugar Topping

Now for the good stuff – the crispy, crunchy topping! In a medium bowl, mix together your oats, melted butter, brown sugar, and cinnamon. Stir it really well until every oat is coated in that sweet, buttery goodness. You’ll know it’s ready when it holds together slightly when pressed but still looks nice and crumbly.

Baking the Apple Crisp

Preheat your oven to 350°F (175°C) – no need to wait for it to fully heat before prepping. Sprinkle your oat mixture evenly over the apples – don’t press it down! Bake for 30-35 minutes until the topping is golden brown and you can see the apples bubbling around the edges. If the top starts browning too fast, just loosely tent it with foil. Your kitchen will smell incredible – that’s how you know it’s working!

Tips for the Best Apple Crisp

Apple Crisp
Amazing 6-Ingredient Apple Crisp with Crunchy Oat Topping 13

After making this apple crisp more times than I can count, I’ve picked up some tricks that take it from good to “can I have thirds?” good! First, if you love crunch, toss in a handful of chopped walnuts or pecans with the oat topping – the extra texture is divine. And while it’s perfect just as is, a scoop of vanilla ice cream melting over the warm crisp? Absolute heaven.

Here’s my secret weapon: let it rest for 10 minutes after baking. I know it’s hard to wait, but this lets the juices thicken up perfectly. And if you’re feeling adventurous, try adding a pinch of nutmeg or cardamom to the cinnamon for extra warmth. Trust me, your guests will be asking for the recipe!

Apple Crisp Variations

One of my favorite things about this apple crisp recipe is how easily you can change it up! Want to get fancy? Toss in a handful of fresh cranberries with the apples – the tart bursts are amazing against the sweet topping. Or try swapping half the cinnamon for pumpkin pie spice when you’re feeling extra fall-ish. Pumpkin bread is also a great fall treat.

For a nutty twist, I sometimes add chopped pecans or walnuts to the oat mixture. And if you’re feeling decadent (I always am), mix in some mini chocolate chips before baking – they melt into gooey pockets of joy. The best part? No matter what variation you try, that crispy brown sugar topping still steals the show every time!

Serving Suggestions for Apple Crisp

Apple Crisp
Amazing 6-Ingredient Apple Crisp with Crunchy Oat Topping 14

Let’s be honest – apple crisp is good on its own, but it’s absolutely legendary with a scoop of vanilla ice cream melting over the top. That hot-cold combo is pure magic! For a lighter option, fresh whipped cream works beautifully too. And if you’re feeling extra? Drizzle with caramel sauce and watch everyone’s eyes light up.

Storing and Reheating Apple Crisp

Leftovers? (Like that ever happens!) If you do have some apple crisp left, cover it tightly and pop it in the fridge for up to 4 days. When that craving hits again, just warm individual portions in the microwave for 30 seconds or reheat the whole dish in a 300°F oven until toasty – about 10 minutes. The topping stays surprisingly crisp, and the apples get even more tender!

Apple Crisp FAQs

What are the best apples for apple crisp?
I swear by Granny Smith apples – their tartness balances the sweet topping perfectly. Honeycrisp and Braeburn work great too if you prefer sweeter apples. Just make sure they’re firm so they hold their shape during baking.

Can I freeze apple crisp?
Absolutely! Bake it completely, let it cool, then wrap tightly in foil or plastic wrap. It’ll keep for about 3 months frozen. Thaw overnight in the fridge and reheat at 300°F for 20 minutes to bring back that fresh-baked magic.

Why is my topping not crispy?
Ah, the cardinal sin of apple crisp! Make sure your butter is properly melted (not softened) and you’re using old-fashioned oats, not instant. Also, don’t press the topping down – just sprinkle it loosely over the apples.

Can I make apple crisp ahead?
You bet! Assemble it up to a day before and refrigerate (unbaked), then just pop it in the oven when needed. Add 5 extra minutes to the baking time since it’s going in cold. The wait will make your kitchen smell even more amazing!

Nutritional Information for Apple Crisp

Just a heads up – these numbers are estimates since ingredients can vary by brand and your exact measurements. A serving of this apple crisp has about 250 calories, with that beautiful brown sugar and butter creating most of the richness. The apples provide fiber and natural sweetness, while the oats add some whole grain goodness. For more precise counts, I’d recommend plugging your specific ingredients into a nutrition calculator. But let’s be real – some desserts are worth every delicious bite!

There you have it – my tried-and-true apple crisp that never fails to impress! I’d love to hear how your version turns out. Did you add any fun twists? Maybe some pecans or a dash of nutmeg? Snap a photo of that golden topping and tag me – nothing makes me happier than seeing my recipes bringing joy to other kitchens. Now go preheat that oven and get baking – your perfect fall dessert awaits! You can find more delicious recipes on Pinterest.

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Apple Crisp

Amazing 6-Ingredient Apple Crisp with Crunchy Oat Topping


  • Author: Laura
  • Total Time: 50 minutes
  • Yield: 6 servings
  • Diet: Vegetarian

Description

A simple and delicious apple crisp with a crunchy oatmeal brown sugar topping, perfect for a fall dessert.


Ingredients

  • 6 apples, peeled and sliced
  • 1 cup oats
  • ½ cup butter, melted
  • ½ cup brown sugar
  • 1 tsp cinnamon


Instructions

  1. Preheat oven to 350°F (175°C).
  2. Place sliced apples in a baking dish.
  3. In a bowl, mix oats, melted butter, brown sugar, and cinnamon.
  4. Sprinkle the oat mixture evenly over the apples.
  5. Bake for 30-35 minutes until the topping is golden and the apples are tender.
  6. Serve warm.

Notes

  • Use firm apples like Granny Smith or Honeycrisp for best results.
  • For extra crunch, add chopped nuts to the topping.
  • Serve with vanilla ice cream or whipped cream.
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American