01 -
In a large nonstick skillet set over medium-high heat, warm 1 tablespoon of vegetable oil. Add the finely chopped onion, minced garlic, and ginger. Cook while stirring until onion is softened, about 4 to 5 minutes.
02 -
Sprinkle in kosher salt, ground coriander, garam masala, turmeric, cumin, cardamom, and chili powder. Stir over medium-low heat until the mixture becomes fragrant, about 30 seconds.
03 -
Dissolve tomato paste in 1/2 cup water. Pour into the skillet, stirring into the spices to form a thick sauce, about 1 minute.
04 -
Add the spinach leaves to the skillet. Gently stir to combine, then cover and increase heat to medium-high. Allow spinach to wilt, stirring occasionally, for 3 to 5 minutes. Remove lid and continue to stir until all spinach is wilted but remains a vibrant green, about 1 additional minute.
05 -
Transfer spinach mixture to a blender or food processor. Purée until mostly smooth but retaining some texture. Taste and adjust seasoning if needed.
06 -
Wipe the skillet clean and return to medium-high heat. Add remaining 1 tablespoon oil. When hot, add chicken pieces, season lightly with salt, and cook until almost cooked through, about 5 to 7 minutes, turning as needed.
07 -
Return the puréed spinach mixture to the skillet with the chicken. Simmer together for 2 to 3 minutes, stirring to mingle flavors and finish cooking the chicken.
08 -
Reduce heat to low. Stir in plain Greek-style yogurt until smoothly combined. Serve immediately with basmati rice or naan if desired.