Tulo

Granny Smith Apple Crisp Recipe

Granny Smith apples hold their shape and stay slightly firm even after 40+ minutes in the oven, so the filling ends up tender but not mushy, and their sharp tartness balances the sweet, buttery oat topping instead of turning the whole dish cloying.

Prep
20 min
Cook
45 min
Total
65 min
Servings
8

Ingredients

Servings8
  • 6 medium apples Granny Smith apples, peeled, cored, and sliced 1/4-inch thick
  • 1 tablespoon lemon juice
  • 1/4 cup granulated sugar
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/2 teaspoon salt
  • 1 cup old-fashioned rolled oats
  • 3/4 cup all-purpose flour
  • 3/4 cup brown sugar, packed
  • 1/2 cup unsalted butter, cold, cubed
  • 1/2 cup pecans, chopped (optional)

Nutrition per serving

Calories
353
Protein
4g
Carbs
64g
Fat
11g

Based on the recipe as written, one serving. Recalculates if you swap an ingredient above. An estimate only, exact values depend on the specific ingredients used.

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Instructions

  1. 1Preheat the oven to 375°F (190°C). Butter a 9x13-inch baking dish.
  2. 2Peel, core, and slice the Granny Smith apples into 1/4-inch-thick slices. Toss them with the lemon juice in a large bowl as you go to keep the cut surfaces from browning.
  3. 3Add the granulated sugar, 1/2 teaspoon of the cinnamon, the nutmeg, and a pinch of the salt to the apples. Toss to coat, then spread the apples evenly in the prepared dish.
  4. 4In a separate bowl, whisk together the oats, flour, brown sugar, remaining cinnamon, and remaining salt.
  5. 5Add the cold, cubed butter to the oat mixture and work it in with your fingers or a pastry cutter until it forms coarse, pea-sized clumps, don't blend it into a smooth paste.
  6. 6Stir in the chopped pecans if using, then scatter the topping evenly over the apples, covering them completely.
  7. 7Bake for 40-45 minutes, until the topping is deep golden brown and the apple juices are bubbling thickly around the edges.
  8. 8Let the crisp cool for at least 15 minutes before serving so the juices have time to thicken.

Tips & variations

  • If Granny Smiths aren't available, mix them half-and-half with a sweeter apple like Honeycrisp or Fuji for a less sharply tart filling.
  • For extra crunch, swap up to 1/4 cup of the oats for chopped pecans or almonds mixed directly into the topping instead of just on top.
  • A tablespoon of cornstarch tossed with the apples thickens a very juicy filling if the crisp seems runny after baking.
  • Add a splash of bourbon or dark rum (about 1 tablespoon) to the apple mixture for a deeper, slightly boozy flavor.

Storage & reheating

Cover and refrigerate leftover crisp for up to 5 days. Reheat individual portions in the microwave for 30-45 seconds, or rewarm the whole dish loosely covered with foil in a 350°F (175°C) oven for 15-20 minutes to re-crisp the topping. The unbaked assembled crisp can also be frozen (wrapped tightly) for up to 3 months; bake straight from frozen, adding about 15 extra minutes.

Tips from the Tulo kitchen

  • Slice the apples to a consistent 1/4-inch thickness so they all finish cooking at the same rate; uneven slices mean some pieces turn mushy while others stay crunchy.
  • Placing the baking dish on a rimmed sheet pan catches any bubbling juices that overflow and saves the oven from a sticky cleanup.

FAQ

Why use Granny Smith apples for apple crisp instead of a sweeter variety?

Granny Smiths are firm and hold their structure through a long bake, so the filling stays tender rather than collapsing into applesauce, and their tartness offsets the sweet brown sugar and butter topping. Softer, sweeter apples like McIntosh break down too quickly for this style of bake.

Do I need to peel the apples?

Yes, for this recipe. The peels turn tough and slightly bitter after 40+ minutes of baking, which works against the point of the tender, spoonable filling.

Can I make apple crisp ahead of time?

Assemble the whole dish up to a day ahead, cover, and refrigerate unbaked. Bake it straight from the fridge, adding about 5-10 extra minutes to the covered bake time.

What's the difference between apple crisp and apple crumble?

Crisp topping includes oats, which is what gives it a crunchier, more textured finish. Crumble topping is usually just flour, sugar, and butter, giving a softer, more sandy texture.

Can I use frozen sliced apples?

Yes, but thaw them and drain off the excess liquid first, or the filling will turn watery and the topping won't crisp up properly.