Toss in the pineapple chunks and pour in the sweet and spicy sauce. Let simmer for 2 minutes. If using, stir in cornstarch slurry (1 tbsp cornstarch mixed with 1 tbsp water) for a thicker sauce.

Flavor-packed, spicy-sweet gochujang elevates a couldn’t-be-simpler, 30-minute chicken stir-fry. Gochujang is a fermented chili paste used widely in Korean cooking.

Reduce to medium, then flip the chicken and cook without stirring until browned on the second sides, 3 to 4 minutes. Add the garlic and ginger; cook, stirring, until fragrant, about 30 seconds.