Low Sugar Old-Fashioned Apple Crisp with Oat Topping

Total time1 hr 15 min

Prep time20 min

Cook time45 min

Low Sugar Old-Fashioned Apple Crisp with Oat Topping

Juicy apples get tossed with bright lemon juice, warm cinnamon, and a whisper of nutmeg, then tucked under a hearty blanket of old-fashioned rolled oats worked into buttery, clumpy crumbs. The whole dish bakes low and slow until the topping turns deep golden and the fruit bubbles up warm and tender around the edges. It's rustic, cozy, and endlessly comforting, with real fruit doing most of the flavor work here. Every bite delivers that classic crisp texture — soft, cinnamon-spiced apples against a craggy, toasted oat crust. This one's an easy favorite to keep on hand for an added sugar-conscious dessert table, no fuss required. Scoop it warm straight from the dish and let the edges get extra crisp for the best texture.

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Ingredients

8 servings

For the filling

3 lbs apples (about 6 medium), such as granny smith or honeycrisp
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2 tbsp granulated sugar
Chef's tip
Use the same volume. Baking behavior varies by blend: some brown faster or stay softer, while others brown less. Follow the package's baking guidance and start checking a few minutes early.
1 tbsp lemon juice
1 tsp ground cinnamon
¼ tsp ground nutmeg
1 tbsp all-purpose flour

For the topping

1 cup old-fashioned rolled oats
¾ cup all-purpose flour
¾ cup packed light brown sugar
Chef's tip
Use the same volume. Brown-sugar replacements vary in moisture, spread, and browning, so follow the package's baking guidance and start checking a few minutes early.
½ tsp ground cinnamon
¼ tsp salt
½ cup (1 stick) unsalted butter, cold and cut into ½-inch cubes

For serving

vanilla ice cream or whipped cream, for serving (optional)

Instructions

1
Preheat the oven to 350°F (175°C). Lightly butter a 9x13-inch baking dish.
2
In a large mixing bowl, toss the sliced apples with the granulated sugar, lemon juice, cinnamon, nutmeg, and 1 tbsp flour until evenly coated. Transfer the apple mixture to the prepared baking dish and spread into an even layer.

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