Heat vegetable oil in a large skillet over medium heat.
Add minced garlic and sauté until fragrant.
Stir in the diced bell peppers and cook for 3-4 minutes.
Add the peas and carrots mix, cooking until tender.
Push the vegetables to one side of the skillet.
Add the cooked rice to the other side, breaking up clumps.
Pour soy sauce over the rice and mix thoroughly.
Fold in the pineapple chunks and cook for another 2-3 minutes.
Drizzle sesame oil over the rice and mix well.
Garnish with chopped green onions before serving.