There’s something about an old-fashioned apple crisp that just feels like summertime. No perfectly crimped pie crust. No chilling dough. No special equipment. Just warm cinnamon apples bubbling underneath a buttery oat topping that somehow tastes like every summer (or fall since I guess apples are a fall thing too) gathering from the late ’80s and early ’90s combined.

Also, I firmly believe apple crisp is one of those desserts that actually gets better as it gets uglier, haha. The really good ones collapse into a molten cinnamon blob somewhere around the second scoop. Not at all pretty pretty. But still so very good.

This particular apple crips leans heavily into the brown sugar for that deeper, caramel-y flavor that makes an apple crisp taste so cozy. The oat topping gets crispy around the edges, soft in the center, and honestly? A scoop of vanilla ice cream melting into this is really difficult to recover from. You’ve been warned.

Why You’ll Love This Apple Crisp (It’s Perfect For Anytime)

This old-fashioned apple crisp is simple, warm, buttery, and deeply reliable. The filling tastes rich without being overly sweet, the topping gets crisp and crumbly, and the whole thing comes together with basic pantry ingredients.

It’s also one of those desserts that somehow feels equally appropriate on a random Tuesday night in July or sitting next to paper plates at Thanksgiving.

Ingredient Notes

• Honeycrisp and Gala apples both work great here. Honeycrisp gives you a sweeter, juicier filling, while Gala softens a little more as it bakes. Granny Smith also works if you like a more tart crisp. Use your favorite.
• Dark brown sugar gives the crisp a deeper, more old-fashioned flavor, but light brown sugar works perfectly too if that’s what you have.
• Use old-fashioned rolled oats, not quick-cooking oats. Quick oats tend to disappear into the topping instead of staying crisp and crumbly when they’re too small. If you’re like me and like a really chunky topping, use the extra thick oats from Bob’s Red Mill. I 10/10 recommend them.

Step-By-Step Instructions

1. Preheat your oven to 350°F. Peel and slice the apples, then add them to a medium mixing bowl.
2. Toss the apples with the melted butter, brown sugar, maple syrup, lemon juice, corn starch, cinnamon, nutmeg, and a pinch of sea salt.
3. Pour the apple mixture into a greased 8×8 baking dish.
4. In the same bowl, stir together the oats, flour, brown sugar, sea salt, and chopped pecans or walnuts (if using).
5. Pour in the melted butter and stir until the mixture becomes crumbly and evenly combined.
6. Sprinkle the topping evenly over the apples.
7. Bake for 35–40 minutes, or until the topping is golden brown and the apples are bubbly around the edges.
8. Let it cool for at least 15-20 minutes before serving unless you enjoy burning the roof of your mouth on molten cinnamon apples every single year like the rest of us.

Recipe Tips & Notes

• If you want a crunchier topping, bake the apple crisp closer to 40 minutes.
• The cornstarch helps with the excess moisture the apples release. You can use 1 tablespoon of flour instead, but the cornstarch thickens the juices without making the filling heavy.
• You can use either chopped pecans or walnuts, but I think pecans give this apple crisp a slightly more buttery flavor than walnuts, which I personall love. But either will get you there.
• If the topping is done before the filling thickens, loosely tent it with foil an continue baking for 5-10 more minutes.
• This apple crisp reheats surprisingly well the next day, especially with coffee (in the morning) and some questionable self-control.

Storage & Reheating

Store the leftovers covered in the refrigerator for up to 4 days. Reheat in the microwave for quick leftovers or warm it in the oven at 300°F until heated through.

I technically think you can freeze apple crisp, but the topping loses some of its crispness afterward and starts giving “soft granola” energy instead, so just be aware. It’ll keep in the freezer for up to 3 months.