Equipment
Ingredients
Oat Base and Aromatics
- 30 g unsalted butter, chilled
- 200 g irish steel-cut oats
- 2 g ground green cardamom
- 3 g ground cinnamon
- 3 g fine sea salt
Cooking Liquids and Sweetener
- 400 ml whole milk
- 400 ml water
- 100 ml heavy cream
- 40 g pure maple syrup
- 5 ml pure vanilla extract
Brûlée Topping and Service
- 80 g demerara sugar
- 120 ml heavy cream, chilled
- 1 g flaky sea salt
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 606 kcal
- Protein
- 11 g
- Carbohydrates
- 69 g
- Fat
- 32 g
- Fiber
- 7 g
- Sugar
- 33 g
- Sodium
- 453 mg
- Saturated Fat
- 18 g
- Potassium
- 411 mg
- Calcium
- 204 mg
- Iron
- 2.1 mg
- Magnesium
- 83 mg
- Phosphorus
- 331 mg
- Zinc
- 2.1 mg
- Vitamin C
- 0 mg
- Water
- 233 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Preheat the oven to 190°C (375°F) with a rack positioned in the center.
Melt the unsalted butter in a medium saucepan over medium heat, add the Irish steel-cut oats, and toast while stirring constantly with a wooden spoon for 4 minutes until the oats become fragrant and lightly golden.
Add the ground green cardamom, ground cinnamon, and fine sea salt to the toasted oats, stirring continuously for 45 seconds to bloom the spices in the hot butter.
Pour the whole milk, water, 100 ml of heavy cream, pure maple syrup, and vanilla extract into the saucepan, whisking to combine thoroughly.
Bring the liquid to a gentle simmer over medium-high heat, then immediately remove the saucepan from the stove once bubbles break across the entire surface.
Lightly grease the baking dish with a thin film of butter, then pour the hot oat mixture evenly into the dish.
Bake uncovered at 190°C (375°F) for 35 to 40 minutes, until the liquid is fully absorbed, the center is set with a soft wobble, and the edges are lightly bubbling.
Remove the baking dish from the oven and allow it to rest undisturbed at room temperature for 5 minutes so excess surface steam evaporates and a delicate skin forms.
Scatter the Demerara sugar evenly across the entire surface of the warm oats, then pass a kitchen torch flame steadily back and forth 5 to 7 centimeters above the surface until the sugar melts, bubbles, and hardens into a deep amber shell.
Crack the brittle caramelized crust with the back of a large serving spoon, divide the hot oats among 4 wide bowls, shower each serving with 30 ml of chilled heavy cream poured around the perimeter, and finish with a pinch of flaky sea salt.
Chef's Notes
- Toasting steel-cut groats in foaming butter triggers the Maillard reaction, developing a hazelnut-like depth that balances the floral eucalyptus notes of freshly ground cardamom.
- Demerara sugar is the premier choice for brûléeing porridges because its large, unrefined sucrose crystals carry residual molasses, giving the crust superior rigidity and bittersweet depth compared to granulated white sugar.
- The contrast between scalding hot, cardamom-spiced grains and a pour of cold heavy cream creates a dramatic culinary sensation akin to hot bread-and-butter pudding bathed in chilled English custard.
- When torching, maintain a continuous circular sweeping motion with the flame to avoid hot spots that cause the molasses in Demerara sugar to turn unpleasantly bitter and black.
Storage
Refrigerator: 4 days — Store leftover oatmeal base in an airtight container without the torched sugar topping, as residual humidity dissolves the crisp sugar crust.
Freezer: 2 months — Freeze unbrûléed baked oats in sealed portions. Thaw overnight in refrigerator before reheating.
Reheating: Reheat refrigerated portions covered in an oven at 175°C (350°F) or microwave until the core reaches a safe minimum internal temperature of 74°C (165°F). Sprinkle fresh Demerara sugar on top and torch just before serving.
Troubleshooting
Demerara sugar dissolves into a watery syrup instead of crisping into a glassy brittle crust
Cause: The surface of the baked oats retained too much standing moisture or steam when the sugar was applied.
Fix: Blot surface moisture gently using clean paper towels, dust an additional 20 grams of Demerara sugar over the damp zones, and torch rapidly with wide, continuous motions.
Prevention: Allow the baked oats to rest uncovered for 5 minutes after baking so steam dissipates and the surface becomes matte before applying sugar.
Oat groats remain hard and chalky in the center after baking
Cause: The initial stove simmer was cut short or the baking dish allowed excessive moisture to evaporate before starches fully gelatinized.
Fix: Pour 60 ml of warm whole milk evenly over the oats, cover the dish tightly with aluminum foil, and return to the oven at 190°C (375°F) for an additional 10 to 12 minutes.
Prevention: Ensure the liquid reaches a full gentle simmer on the stove before transferring to the oven so the coarse grains are actively absorbing fluid.
Cultural Context
Irish steel-cut oats, known historically as pinhead oats, are the whole oat groat cut into coarse fragments, yielding a dense chew that formed the backbone of rural Irish breakfast porridge. Traditionally, fresh rich dairy was pooled along the rim of the porridge bowl so each piping hot spoonful was tempered by cold cream. This preparation elevates that rural staple into an elegant holiday brunch offering by marrying Irish dairy traditions with the French brûlée technique.
