In a small bowl, mix together hoisin, soy sauce, ginger, red peppe flakes, fish sauce, rice wine vinegar, and peanut butter.
Add the sesame oil to a large skillet and stir in the red and green bell pepper (reserve 2 TBS of each for the ramen noodles.)
Cook peppers for 3 minutes.
Add ground beef and cook until fully browned.
Pour off excess liquid.
Pour the sauce mixture over the ground beef and stir it in thoroughtly.
Add the broccoli, baby corn and sprouts and cook on medium heat for 5-6 minutes.
Toss cooked ramen noodles with the extra bell peppers and garnish with sesame seeds.
Serve side-by-side or toss ramen noodles and beef together.