Boil the Noodles: Bring a large pot of water to a rolling boil. Add the ramen noodles and cook for about 3–4 minutes.

Drain and Rinse the Noodles: Drain noodles in a colander and rinse briefly under cold water to stop the cooking process.

Prepare the Garlic Butter Sauce: In a skillet, melt the unsalted butter and add minced garlic, sautéing for 1–2 minutes.

Combine Sauce Ingredients: Add soy sauce, brown sugar, and red pepper flakes, stirring until smooth and bubbly.

Toss the Noodles: Add cooked noodles to the skillet and toss for 1–2 minutes until coated.

Scramble the Egg: Push noodles to one side and crack the egg into the skillet, scrambling for 1–2 minutes until cooked.

Serve and Garnish: Plate the noodles and top with sliced scallions. Serve immediately.