Meatballs:

• 1 tablespoon canola oil, divided
• 1 (15.5 oz/439 g) can no-salt-added pinto beans, rinsed and well drained
• 1 lb (450 g) ground turkey
• 1 medium onion, peeled and grated
• 2 medium carrots, scrubbed and grated
• 2 large cloves garlic, crushed using a mortar and pestle or grated on a microplane
• 1/2-inch piece fresh ginger, grated on a microplane
• 2 teaspoons low-sodium soy or tamari sauce
• 1 teaspoon Worcestershire sauce
• 1 teaspoon salt
• 1/4 teaspoon ground black pepper
• 1 large egg, lightly beaten
• 4 tablespoons breadcrumbs (or a little more as needed)

Sauce:

• 2 tablespoons canola oil
• 2 medium red bell peppers, de-seeded and coarsely chopped
• 1 large onion, chopped
• 6 cloves garlic, crushed using a mortar and pestle or grated on a microplane
• 1-inch piece fresh ginger, grated on a microplane
• 6 tablespoons (90 ml) apple cider vinegar
• 4 tablespoons (60 ml) low-sodium soy or tamari sauce
• 1 tablespoon honey (or more to taste)
• 1/4 teaspoon ground black pepper
• 1 (20 oz/570 g) can chunk pineapple in pineapple juice
• 2 tablespoons cornstarch dissolved in 1/2 cup (120 ml) cold water to form a slurry

Other:

• 3 scallions, green and white parts, thinly sliced, for garnish (optional)