Mix the grated pear, soy sauce, brown sugar, rice wine, sesame oil, Gochujang paste, minced garlic, ground ginger, onion powder, and pepper in a bowl.
Add the sliced beef, ensuring even coating, and refrigerate for 30 minutes for flavor infusion.
Soak the dried shiitake mushrooms in boiling water until softened.
Slice the carrots and zucchini; sprinkle with a pinch of salt and set aside.
Combine Gochujang paste, rice vinegar, soy sauce, brown sugar, and sesame oil. Stir until you achieve a smooth sauce.
Adjust the level of sweetness to taste.
Steam the bean sprouts until tender yet crunchy.
Stir-fry the soaked shiitake mushrooms, carrots, zucchini, and spinach individually in sesame oil, seasoning simply with salt and garlic.
Heat oil in a skillet and cook the marinated beef until caramelized.
Place warm rice into bowls as a base.
Arrange cooked vegetables and beef on top artfully.
Fry the eggs sunny-side up and place them on top of each bowl.
Sprinkle sesame seeds over the assembled Bibimbap and serve with the prepared Bibimbap sauce.