Heat butter in a large skillet or wok over medium heat.
Add the minced garlic and sauté for 1–2 minutes until fragrant and lightly golden.
Add the cooked rice, breaking up any clumps with a spatula.
Stir in the soy sauce and toss until the rice is evenly coated.
Cook for 3–5 minutes, stirring occasionally, until the rice is hot and slightly crispy.
Mix in the sliced green onions and season with black pepper.
Serve immediately as a side dish or enjoy it on its own.