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Lemon Blueberry Frozen Yogurt with Gluten-Free Crumble

Incredibly creamy homemade frozen yogurt with bright lemon and blueberry flavors, studded with golden cinnamon-maple crumble clusters. Made in a food processor with no ice cream maker required!
5 from 1 vote
Prep Time 20 minutes
Cook Time 20 minutes
Freezing time 5 hours
Total Time 5 hours 40 minutes
Course Dessert
Cuisine American
Servings 6 servings

Equipment

  • Food processor with S-blade
  • 8x8 baking pan
  • Freezer-safe container (8-cup capacity)
  • Mixing bowls

Ingredients
  

For the Frozen Yogurt Base:

  • 3 cups plain full-fat Greek yogurt chilled
  • Zest of 1 lemon about 1 tablespoon
  • Juice of 1 lemon about 2 tablespoons
  • 1 cup fresh blueberries
  • ¼ cup pure maple syrup plus extra to taste, optional
  • Pinch of fine sea salt optional

For the Gluten-Free Crumble:

  • 1 cup gluten-free rolled oats
  • 1 teaspoon ground cinnamon
  • 3 tablespoons pure maple syrup
  • 1 teaspoon pure vanilla extract
  • Pinch of fine sea salt optional

Instructions
 

Make the Crumble:

  • Preheat oven to 350°F (175°C). Line baking pan with parchment paper.
  • In a medium bowl, combine oats, cinnamon, and salt. Add maple syrup and vanilla, stirring until oats are evenly coated and begin to clump together.
  • Press mixture firmly into baking pan in a single ½-inch thick layer.
  • Bake 15-20 minutes until golden brown, pressing the layer back together every 5 minutes to encourage larger clusters.
  • Cool completely, then break into ½-¾ inch chunks. Set aside.

Make the Frozen Yogurt:

  • In food processor, combine chilled Greek yogurt, lemon zest, lemon juice, and salt.
  • Add maple syrup and blueberries. Process on medium speed until mixture is pale lavender with small blueberry flecks visible, not fully liquefied.
  • Taste and adjust sweetness with additional maple syrup if desired.
  • Transfer to shallow freezer-safe container (I use a loaf pan) and freeze 2 hours until edges are firm but center remains scoopable.
  • Fold in crumble clusters evenly throughout. Cover and freeze 2-3 hours more until firm.
  • Let sit 5-10 minutes before scooping. Serve immediately.

Notes

Use full-fat Greek yogurt for the creamiest texture
Don't over-process the blueberries – small flecks add texture and visual appeal
Press crumble mixture firmly during baking to create larger, more stable clusters
Store covered for up to 2 weeks; reserve extra crumble for topping if desired
Keyword frozen yogurt
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