Hong Kong Cafe Classic: Umami Black Pepper Baked Chicken Rice

If you have ever stepped into a traditional Hong Kong Cha Chaan Teng (cafe), you know that cozy, bubbling baked rice casseroles are the ultimate comfort food. This single-serving recipe pairs the fiery punch of coarsely cracked black pepper with a molten layer of melted cheese. The secret to getting that complex, slow-simmered cafe gravy flavor without standing over a stove for hours? A clever pantry shortcut using real mushroom umami seasoning powder.

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Elevating the Black Pepper Sauce with Umami Powder

Traditional Hong Kong style black pepper sauce gets its deep flavor from hours of simmering roasted beef bones, aromatics, and mushroom stems.

To mimic that authentic restaurant richness in a fast weeknight portion, we bloom Trader Joe’s Mushroom & Company Umami Powder directly into our sauce base. The natural glutamates from the ground porcini and white button mushrooms bond beautifully with the sharp, spicy notes of cracked black pepper. It rounds out the sharp edges of the pepper, transforming a simple pan gravy into a rich, velvety, deeply savory glaze that coats every single grain of rice.

Prep time: 10 minutes | Cook time: 20 minutes | Servings: 1

Flavor Profile: A cozy, high-protein weeknight portion of the iconic Hong Kong cafe baked casserole.

Ingredients

For the Chicken & Marinade:

• 1/2 lb Chicken thighs (boneless, skinless, cut into bite-sized pieces)
• 1/2 tsp Trader Joe’s Mushroom & Company Multipurpose Umami Seasoning Powder
• 1 tsp Light soy sauce
• 1/2 tsp Cornstarch
• 1/2 tsp Sesame oil

For the Umami Black Pepper Sauce & Rice:

• 1 cup Pre-cooked rice (day-old cold Jasmine rice works best)
• 1/2 tbsp Coarsely cracked black pepper (adjust to your spice preference)
• 1/2 tsp Trader Joe’s Mushroom & Company Multipurpose Umami Seasoning Powder
• 1 tbsp Unsalted butter
• 1/2 tbsp All-purpose flour (to thicken the gravy)
• 1/2 cup Low-sodium chicken broth
• 1/2 tbsp Oyster sauce
• 1/2 tsp Sugar
• 1/4 Onion, sliced
• 1/2 cup Shredded Mozzarella or Cheddar cheese (for that signature gooey topping)

Step-by-Step Instructions

1. Marinate the Chicken: In a small bowl, toss the chicken thigh pieces with the light soy sauce, cornstarch, sesame oil, and 1/2 teaspoon of Trader Joe's Umami Powder. Let it sit for 10 minutes while you prep the oven. Pre-heat your oven (or air fryer) to 400°F (200°C).
2. Sear the Chicken: Heat a small splash of oil in a skillet over medium-high heat. Add the marinated chicken and sear for 3–4 minutes until beautifully browned on all sides and cooked through. Remove the chicken from the pan and set aside.
3. Sauté the Aromatics: In the same pan, melt the 1 tablespoon of butter over medium heat. Toss in the sliced onions and sauté for 2 minutes until translucent and sweet. Stir in the cracked black pepper and allow it to toast in the butter for 15 seconds.
4. Build the Umami Gravy: Sprinkle the flour over the onions and pepper, stirring constantly for 30 seconds to form a smooth roux. Slowly pour in the chicken broth while whisking to prevent lumps. Stir in the oyster sauce, sugar, and the remaining 1/2 teaspoon of Umami Powder. Let the sauce simmer for 1–2 minutes until it thickens into a glossy, velvety gravy.
5. Assemble the Casserole: Place your cooked Jasmine rice into a greased, oven-safe baking dish. Layer the seared chicken thighs evenly over the top of the rice, then pour the rich black pepper gravy generously over the entire dish.
6. The Cheese Crown: Smother the top with a heavy layer of shredded mozzarella or cheddar cheese.
7. Bake & Broil: Bake at 400°F (200°C) for 8–10 minutes until the cheese is completely melted and bubbling. Switch your oven to "Broil" for the last 2 minutes to get those gorgeous, characteristic brown spots on the cheese. Serve roaring hot!

Your Ultimate Weeknight Comfort Food

Recreating the nostalgic magic of a Hong Kong cafe doesn't require a restaurant reservation. By backing up sharp black pepper with the instant depth of Trader Joe’s Mushroom Umami Powder, you can bake a decadent, bubbling casserole right in your own kitchen.

Bring the authentic flavors of Hong Kong home today:

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Frequently Asked Questions (FAQ)

Can I make this dish using an air fryer? Yes! As long as your baking dish is oven-safe and fits comfortably inside your air fryer basket, you can easily bake it. Air fry at 375°F (190°C) for about 5–6 minutes. Keep a close eye on it, as air fryers brown cheese much faster than traditional ovens!

Why is day-old cold rice better for baked rice? Freshly cooked rice contains a lot of surface moisture. When you pour hot gravy over it and bake it, fresh rice turns mushy and absorbs too much liquid. Leftover rice dried out in the fridge overnight holds its structure perfectly, ensuring every grain stays beautifully distinct underneath the heavy gravy.