Wipe out the wok and return to medium heat, heat remaining 1 Tbsp. canola oil. Cook onion and carrot, stirring occasionally, until vegetables are tender, about 7 minutes. Add pork; season with salt and pepper. Cook, breaking up with a spoon, until starting to caramelize, about 3 minutes. Stir in garlic, peas, and ginger and cook, stirring frequently, until fragrant, about 1 minute.