Decadent Blueberry Vanilla Custard Stuffed Croissant Cups

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Decadent Blueberry Vanilla Custard Stuffed Croissant Cups

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These Blueberry Vanilla Custard Stuffed Croissant Cups are the ultimate brunch indulgence or elegant dessert. They combine the buttery, flaky perfection of a croissant with a rich, velvety vanilla pastry cream and bursts of fresh, sweet blueberries. Imagine taking a bite of a golden, crispy pastry to find a warm, luscious custard flowing out, punctuated by juicy berries. It looks impressive, but these delightful cups are surprisingly simple to make, transforming basic croissants into a bakery-quality treat.

The secret lies in using quality, all-butter croissants and making a from-scratch vanilla custard (crème pâtissière). The custard is cooked on the stovetop, then chilled before being piped into the baked croissant cups. Finally, a dusting of powdered sugar adds that professional finishing touch. Whether you are hosting a special breakfast, a bridal shower, or simply treating yourself on a weekend morning, these stuffed croissant cups are guaranteed to be a showstopper.

Recipe Details

  • Prep time: 25 minutes

  • Cook time: 18 minutes

  • Chill time: 2 hours (for custard)

  • Yields: 6 large cups

Ingredients

Here’s everything you need to make these dreamy treats.

For the Croissant Cups:

  • 6 large, all-butter croissants (day-old works best, as they are slightly firmer)

For the Vanilla Custard (Crème Pâtissière):

  • 2 cups (480ml) whole milk

  • 1 vanilla bean, split and scraped (or 2 teaspoons high-quality vanilla bean paste or extract)

  • 1/2 cup (100g) granulated sugar, divided

  • 1/4 cup (30g) cornstarch (this thickens the custard)

  • 4 large egg yolks

  • 2 tablespoons (30g) unsalted butter, cut into small cubes

  • 1/4 teaspoon salt

For the Filling and Topping:

  • 1 ½ cups fresh blueberries (divided: 1 cup for filling, 1/2 cup for topping)

  • 1-2 tablespoons granulated sugar (to toss with the 1 cup of blueberries)

  • Powdered sugar, for dusting

Instructions

Follow these steps to create your own Blueberry Vanilla Custard Stuffed Croissant Cups.

Phase 1: Make the Vanilla Custard (Crème Pâtissière)

The custard needs time to chill, so start here.

  1. Combine Dairy: In a medium saucepan, combine the whole milk, salt, and the scraped vanilla bean seeds (and the pod itself for extra infusion). Place the saucepan over medium heat and bring the mixture just to a gentle simmer (do not let it boil vigorously). Once it simmers, remove it from the heat and set aside for 10-15 minutes to infuse the vanilla flavor. If using vanilla bean paste or extract, add it after removing the milk from the heat. Discard the vanilla bean pod.

  2. Whisk Yolks: While the milk is infusing, in a separate medium bowl, whisk together the egg yolks and the 1/2 cup of sugar until the mixture is pale yellow, thick, and smooth. Whisk in the cornstarch until fully incorporated.

  3. Temper the Yolks: This is a crucial step to prevent scrambling the eggs. Slowly pour about one-third of the hot vanilla milk into the yolk mixture, whisking constantly and vigorously. Once combined, pour this tempered yolk mixture back into the remaining hot milk in the saucepan, continuing to whisk constantly.

  4. Cook the Custard: Return the saucepan to medium-low heat. Cook, stirring constantly and vigorously with a whisk (be sure to get into the corners of the pan), until the mixture comes to a gentle boil. Continue to cook and whisk for 1-2 minutes more. The custard will thicken significantly and should be glossy.

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