Crunchy Cantonese sweet and sour pork with tangy pineapple sauce is a family dinner classic. A protein-packed dish with vibrant, fresh fruit flavors.
Cut the pork shoulder into 1-inch cubes; season with salt and black pepper. Crack egg into a bowl and whisk lightly.
Coat pork cubes first in egg, then thoroughly in cornstarch. Shake off excess for an even, crispy coating.
Heat vegetable oil in a deep skillet over medium-high (350°F). Fry pork in batches for 4–5 minutes until golden and crunchy. Drain on a wire rack.
In a separate large skillet, sauté onion, red, and green bell peppers over medium heat for 2 minutes to keep them vibrant and slightly crisp.
Mix ketchup, sugar, rice vinegar, pineapple juice, and soy sauce in a bowl until smooth. Pour this sauce into the vegetables, then add pineapple chunks; simmer for 2 minutes until the sauce thickens and bubbles.
Return crispy pork to the pan and toss quickly to coat each piece. Stir for 1 more minute over medium-high heat, ensuring all sides are evenly glazed.
Serve immediately on a platter for best crunch and flavor.