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Desserts · Part 2 of 3: Instructions

Easy Slow Cooker Far Breton with Prunes Step-by-step instructions

A golden-brown slice of Far Breton on a white plate, steaming slightly with visible prunes inside.
Prep
Cook
Total
Serves
6
Includes 30 min resting

Before you start

Before starting, ensure all ingredients are at room temperature to facilitate a smooth batter. Check that your slow cooker basin is clean and free of any residue. Measure your flour and sugar accurately using a kitchen scale or standard measuring cups.

If using a large slow cooker, consider if you need to adjust the cooking time, as smaller vessels generally require less time to set. Clear a space on your counter and have your whisk and mixing bowl ready to streamline the assembly process, allowing for a quick transition from preparation to cooking.

Ingredients at a glance (5)
  • 1 cup pitted prunes
  • 4 large eggs
  • 3/4 cup all-purpose flour
  • 1/2 cup granulated sugar
  • 2 cups whole milk

Instructions

Fruit Preparation

  1. Prepare the Base
    Place the pitted prunes evenly across the bottom of your slow cooker basin. This creates the foundation for the custard and ensures the fruit is evenly distributed throughout the final cake.
    Look for Prunes are spread in a single layer
    Tip Ensure the slow cooker basin is clean and dry before adding the fruit.

The prunes should be arranged in a single, even layer across the base of the slow cooker basin. This ensures that every portion of the finished cake contains a balanced amount of fruit. Check that the basin is completely dry and that no prune pieces are overlapping significantly, which helps in maintaining an even distribution of flavor throughout the custard as it rises and sets during the cooking process.

Batter Assembly

  1. Combine Custard Ingredients
    In a separate mixing bowl, whisk together the eggs, flour, and sugar until the mixture is smooth and free of large lumps. Gradually pour in the whole milk while continuing to whisk to create a uniform batter.
    Look for Batter is smooth and well-combined
    Tip Whisking the dry ingredients into the eggs first helps prevent flour pockets.

The batter should be completely smooth, with no visible streaks of flour or undissolved sugar. The consistency should resemble a thin pancake batter, which is normal for this type of custard cake. Ensure the milk is fully incorporated into the egg and sugar mixture. When the whisking is finished, the batter should be uniform in color and texture, ready to be poured over the fruit layer without any further adjustment needed.

Setting the Custard

  1. Cook and Set
    Pour the custard batter over the prunes in the slow cooker. Cover and cook on low for 3 hours. To ensure the eggs are fully cooked, the internal temperature must reach 160°F (71°C). Let the cake rest for 30 minutes before serving.
    Look for Edges are set and center is firm
    Safe temperature 160°F (71°C) internal temperature (egg dishes)
    Tip Avoid lifting the lid frequently to maintain a consistent cooking temperature.

At the end of the cooking phase, the cake should be golden brown on the surface and firm around the edges. The center should be set and no longer liquid. Use a thermometer to confirm the internal temperature reaches 160°F (71°C).

Once confirmed, the slow cooker should be turned off, and the cake must sit, covered, for the resting period to allow the internal structure to consolidate before serving, resulting in clean, professional slices.

Common mistakes

A common mistake is failing to whisk the batter sufficiently, which results in pockets of dry flour throughout the custard. Another error is opening the lid too frequently, which releases the trapped steam and heat, significantly increasing the cooking time and leading to an uneven set.

Ensure the slow cooker is on the low setting; using high heat can cause the bottom to scorch before the center is cooked through. Finally, do not rush the cooling process, as the custard needs time to stabilize before it is sliced.

How to tell it’s done

The Far Breton is done when the edges are firm and the center has set with only a slight jiggle. Use a digital thermometer to check the center of the custard; it must reach an internal temperature of at least 160°F (71°C) to ensure the eggs are fully cooked.

The surface should appear golden and feel springy to the touch. Once the desired temperature is reached, turn off the slow cooker and allow the cake to rest for at least 30 minutes to firm up further before slicing.

  • Egg dishes: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made ahead of time?
  • Why does the custard need to reach 160°F?
  • Can other dried fruits be used instead of prunes?

Also in Part 3: variations (Vanilla Bean Far Breton, Spiced Far Breton), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)