Prepare Pressure Cooker: Heat up your pressure cooker over medium high heat.
Brown Chicken Pieces: Lightly season the skin side of chicken thighs or drumsticks with kosher salt and freshly ground black pepper. Add 1 tbsp (15ml) peanut oil in pressure cooker. Carefully place the chicken thighs skin side down in pressure cooker. Brown for 3.5 - 4 mins on each side without flipping. Remove and set aside.
Saute Onions & Garlic: Add onion slices in pressure cooker and saute until soften (~ 2 minutes). Add in minced garlic and ginger, then saute until fragrant (~30 seconds).
Add Water to Deglaze: Pour in ½ cup (125ml) cold water and completely deglaze the pot.
Pressure Cook Chicken: Place chicken and the flavorful meat juice in the pressure cooker. Add in Worcestershire sauce & Japanese soy sauce. Layer carrot chunks & half of the potato chunks on top. Close lid and pressure cook at High Pressure.
Create Japanese Curry: Remove and set aside the oven-safe bowl with potato chunks and chicken. Press Cancel button, then Sauté button to heat up the sauce. Stir-in Japanese curry roux one cube at a time to thicken the sauce. Place chicken and potato chunks back in the sauce.
Serve: Serve immediately with Calrose rice or short grain sushi rice.
