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Miniature Peach Crumbles – Juicy, Spiced & Crispy Oat Streusel

Stephanie
July 31, 2026
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When you want an effortless single-serve dessert that highlights summer produce, Miniature Peach Crumbles baked in individual ramekins are a total delight. Sweet, juicy sliced peaches tossed with bourbon vanilla and warm cinnamon bake into a bubbling jammy filling, topped with a buttery, golden rolled oat crumble.

The secret to individual peach crumbles that don’t end up watery is Tossing Peaches with Tapioca or Cornstarch and a Splash of Lemon Juice. Fresh peaches release a high volume of juice as they soften under heat; a small amount of starch binds those juices into a rich, glossy glaze that coats every tender piece of fruit.

Why You’ll Love These Mini Crumbles

  • Built-in Portion Control: Individual 6-ounce ramekins make serving effortless for dinner parties or quick weeknight cravings.
  • Faster Bake Time: Miniature ramekins heat through quickly, cutting baking time down by nearly half compared to a full-sized dish.
  • Warm Spiced Peach Filling: Cinnamon, nutmeg, and brown sugar enhance the natural floral sweetness of peaches.
  • Perfect Fruit-to-Topping Ratio: Every single spoonful gets a generous crown of buttery, crunchy streusel.

Key Ingredients Overview

  • Fresh or Frozen Peaches: Sliced into bite-sized wedges; no peeling required if you prefer rustic texture.
  • Cornstarch & Lemon Juice: Thickens natural fruit juices and adds bright acidity.
  • Rolled Oats & Brown Sugar: Creates the signature crunchy, caramelized streusel topping.
  • Cold Unsalted Butter: Rubbed into oats and flour to form distinct, buttery clusters as it bakes.

Step-by-Step Instructions

1.The Spiced Peach Toss:5 min.

Preheat your oven to $180^\circ\text{C}$ ($350^\circ\text{F}$) and place four 6-ounce ramekins on a rimmed baking sheet. In a bowl, toss 4 cups diced or sliced peaches (about 4 large peaches), 2 tablespoons granulated sugar, 1 tablespoon cornstarch, 1 teaspoon lemon juice, ½ teaspoon ground cinnamon, and ½ teaspoon vanilla extract until well coated.

2.The Buttery Streusel Rub:4 min.

In a separate bowl, mix ⅔ cup old-fashioned rolled oats, ⅓ cup all-purpose flour, ⅓ cup packed light brown sugar, ¼ teaspoon ground nutmeg, and a pinch of salt. Add ¼ cup (½ stick) cold unsalted butter cut into small cubes. Rub the butter into the dry mix with your fingertips until clumpy streusel forms.

3.The Ramekin Fill:2 min.

Divide the spiced peach mixture evenly among the 4 ramekins, packing them slightly. Heap the oat streusel generously over the top of each ramekin, pressing lightly so the topping sticks.

4.The Golden Bake:25 min.

Bake at $180^\circ\text{C}$ ($350^\circ\text{F}$) for 22 to 25 minutes until the peach juices bubble actively around the edges and the oat topping turns deep golden brown.

5.The Warm Scoop & Serve:5 min.

Remove from the oven and cool for 5 minutes (the ramekins will be very hot!). Top each mini crumble with a scoop of vanilla bean ice cream or fresh whipped cream, and serve warm!

Expert Tips for Success

  • Bake on a Baking Sheet: Always place your ramekins on a parchment-lined baking sheet before sliding into the oven! As the peaches bake, fruit juices bubble over the rim—the baking sheet catches drips and makes transferring ramekins safe and easy.
  • Fresh vs. Frozen Peaches: If using frozen peach slices, thaw them slightly and drain off excess liquid before tossing with cornstarch so your crumble filling doesn’t become runny.
  • Air Fryer Adaptation: You can air-fry these ramekins! Bake in a preheated air fryer at $175^\circ\text{C}$ ($350^\circ\text{F}$) for 12 to 15 minutes until the streusel is crisp and peaches are bubbling.

The Recipe Card

  • Prep Time: 12 mins
  • Bake Time: 25 mins
  • Total Time: 37 mins
  • Yield: 4 Individual Ramekins

Ingredients:

  • The Peach Filling: 4 cups Peaches (sliced/diced), 2 tbsp Granulated Sugar, 1 tbsp Cornstarch, 1 tsp Lemon Juice, ½ tsp Ground Cinnamon, ½ tsp Vanilla Extract.
  • The Oat Topping: ⅔ cup Rolled Oats, ⅓ cup All-Purpose Flour, ⅓ cup Light Brown Sugar (packed), ¼ tsp Ground Nutmeg, Pinch of Salt, ¼ cup (½ stick) Unsalted Butter (cold, cubed).

Instructions:

Toss peaches, granulated sugar, cornstarch, lemon juice, cinnamon, and vanilla; divide among four 6-ounce ramekins. Rub cold butter into oats, flour, brown sugar, nutmeg, and salt until clumpy. Heap streusel over peach filling. Place ramekins on a baking sheet and bake at $180^\circ\text{C}$ ($350^\circ\text{F}$) for 22–25 minutes until bubbling and golden. Rest 5 minutes, top with vanilla ice cream, and serve warm.

Written By

Stephanie

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