Apple Crisp

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My homemade Apple Crisp recipe features tender, spiced apples nestled under a buttery, crisp oat and brown sugar topping. It’s easy to put together and bakes up in under an hour!

I have been making this apple crisp since 2020, and what keeps me and so many readers coming back to it is the ratio of topping to apples. There are almost two cups of oat streusel that get sprinkled over the apples. That is a deliberately topping-heavy crisp, giving every scoop a good portion of crisping topping so it doesn’t feel like a pan of stewed apples with some oats scattered on the surface.

The filling is warmly spiced with cinnamon and nutmeg, with just the right amount of brown sugar. One of the most common things people do to a dessert recipe is try to cut sugar, but I don’t recommend that because I already use a relatively small amount. I want the apple flavor to shine, and the brown sugar is a complement to the natural sweetness of the fruit!

Key Ingredients

You only need a handful of ingredients to make a homemade apple crisp. You can find the full list of ingredients and measurements in the recipe card below.

Apples — peel, core, and cut them into evenly sized pieces. I use a mix rather than a single variety to vary the texture and flavor of the baked crisp. I go into detail about which varieties bake up soft and which hold a bite, below.

Lemon juice — the acid slows browning on the sliced apples, and it keeps the filling from tasting flat (or just “sweet”) once the sugar goes in.

Flour — you will use this mainly for the topping. It holds the sugar and oats into clumps instead of being grainy or too crumbly. A small amount is used in the filling too. It thickens the apple juices naturally released during baking. I have tested this without a thickener, and the apple crisp was watery. The small amount of flour thickens up the juices so they feel jammy or thick and syrupy rather than runny.

Old-fashioned rolled oats — these thicker, rolled oats make a crisper topping. Quick oats are cut finer and hydrate faster, so they soften into the butter instead of staying separate. I have tested this recipe with quick oats, and it will work, but the topping will have less texture. The rolled oats on top get crispier when exposed to direct heat, and the ones underneath against the apples develop a lovely chewiness.

Cold butter — cube the butter into small pieces before you work it into the dry topping. Cold butter is what holds those clumps together in the oven instead of letting them melt flat. And the topping turns out a bit more tender when using cold butter. Melted butter makes harder, denser clumps. I like the cold butter better in testing because the topping was crispy but had a lightness to it.

The Best Apples For Apple Crisp

I use a mix of tart and sweet: Granny Smith or Pink Lady are on the tart side; Honeycrisp or Fuji are on the sweet side. Those four also hold their shape through a 45-minute bake, so you get distinct pieces of apple with a slight bite instead of mush. Golden Delicious, McIntosh, and Gala all work, but they break down further. Pick them deliberately when a soft, extra tender filling is what you want. They are also on the sweeter side, so pairing them with a tart, firm apple will give you both a variety of texture and flavor.

I made this with Golden Delicious and McIntosh apples after we went apple picking one day. This turned out to be a makeshift test for soft apple varieties—the filling was incredibly tender after baking for 45 minutes. You could reduce the bake time down to 30 minutes if you’d like, but the topping won’t be quite as crispy.

When choosing which to use, the mix of tart and sweet apples matters more than the specific varieties. A crisp made entirely from sweet apples is one-note with the brown sugar in the filling and topping. Adding in a few tart apples keeps the dish from tasting too sweet.

Should I peel them? Yes! Apple skins turn tough and wrinkled in the 45-minute bake. It is the same reason I peel them in apple pie filling. It takes a few extra minutes, but it’s worth it!

Why The Topping Is So Generous

When you add the topping, it mounds up on the apples and might look a little unreasonable. This serves almost like a lid. As it bakes, steam is trapped, and the apples soften and give up their juice in the oven. The whole surface sinks, and the layer that looked absurd going into the oven comes out having settled into the fruit and the dish. Some of it will also melt against the fruit as it steams, disappearing into the apples. In the finished crisp, the thicker topping ensures you get lots of crisp, oaty crumble in every bite to contrast with the tender apples.

Work the butter in until you have clumps around the size of peas, then stop. When I have overworked it into fine, even crumbs, the result bakes into a sandy layer that is flatter, rather than a lumpy one, and the less uniform nature of the top browns better. If you want a crumb topping without oats, try my streusel recipe.

How To Make Apple Crisp

Below, I’ve highlighted portions of the recipe in step-by-step process images along with instructions for making this easy apple crisp recipe. You can find the full set of instructions in the recipe card below.

1. Make the filling: Toss the apple slices with the lemon juice in a large bowl. The acidity from the lemon helps reduce oxidation of the fruit and balances the flavor.

2. Add the sugar, flour, cinnamon, and nutmeg, and toss until every piece is coated.

3. Spread the apples into a greased 8×8-inch dish and dot the cubed butter over the top. Greasing the pan is just a little added insurance so the syrupy filling or crumb topping doesn’t get too stuck to the dish.

4. Make the topping: Stir the oats, flour, brown sugar, cinnamon, and salt together in a medium bowl. Break up any clumps of brown sugar with your fingers if needed.

5. Cut in the cold butter until the pieces are about pea-sized and the mixture is sticky enough to clump together when squeezed in your hand. You can use a fork or your fingers to work the butter in.

6. Bake: Sprinkle the topping over the apples and bake at 350°F for about 45 minutes, until the top is golden and the juices are bubbling all around the edges and towards the center of the dish.

Why Apple Crisp Turns Out Watery

Underbaking is the usual cause. The topping goes golden well before the filling is done. What you actually want to see is the juice bubbling hard all the way around the edge of the dish and towards the center. Look for thick, syrupy bubbles rather than thin, runny juices. A brown top with a quiet edge means it needs more time.

The second cause is that missing tablespoon of flour. It might not seem like a necessary thing since it’s such a small amount, so people skip it. But the juices never thicken without it, and the crisp turns thin and watery.

The third is scooping too early. The flour activates in the heat, but sets as the dish cools. So a crisp served straight from the oven will have juices run down the plate no matter how well it is baked.

Ways To Vary The Recipe

Zest the lemon before you juice it and add the zest to the filling, or swap the lemon out entirely for an orange. The citrus lifts the warm spices without making the filling taste sharp.

For a deeper spice profile, add a quarter teaspoon of ground cardamom, cloves, or allspice alongside the cinnamon and nutmeg.

How To Serve

Apple crisp is best eaten warm with a scoop of vanilla ice cream. You can use whipped cream if you want to cut the sweetness rather than add to it, or drizzle with caramel sauce if you want to go the other way.

Storing, Reheating, and Freezing

Storing: Cover it loosely once it has cooled completely, and refrigerate for up to 5 days. The topping softens as it is stored.

Freezing: Wrap the cooled crisp in plastic and then foil and freeze for up to three months. Thaw overnight in the refrigerator before reheating. The same freezing principles apply to this crisp as they do for pie—see How To Freeze A Pie for more detailed instructions.

Reheating: Uncover and heat the whole dish in the oven at 350°F for 20 to 30 minutes. For single servings, the air fryer at 350°F for 5 to 8 minutes brings the topping back closer to its original texture than the oven manages.

Frequently Asked Questions

If you’ve tried this apple crisp recipe, then don’t forget to rate it and let me know how you got on in the comments below. I love hearing from you!