To a wok or large saute pan over high heat, add coconut or vegetable oil. When oil is hot, add opo squash. Stir-fry 1 to 2 minutes, then add peppers, onion, garlic, and ginger. Stir-fry another 1 to 2 minutes.
Add coconut curry sauce (or remaining marinade), stir, and cover. Simmer just until vegetables are tender.
Garnish with chopped cilantro and/or basil if desired.
