Spicy Udon with Lobster

1 pound cooked lobster meat pieces
3 large frozen Udon noodle cakes, thawed
2 large onions, thinly sliced
oil
6 cloves garlic, minced
3 tablespoons dark sesame oil
2 tablespoons lobster base
1/2 cup Heinz ketchup
1/2 cup medium sweet soy sauce
1/2 cup sweet rice wine (Mirin)
2 tablespoons rice wine vinegar
Sriracha a few tablespoons, to taste
1 tablespoon toasted sesame seeds

In a very large pan, heat oil and add onions, cook until golden brown. Add garlic and cook about a minute until fragrant. Add sesame oil and lobster base and stir well to mix. Add lobster, toss well and cook for 2 minutes. Add ketchup, sweet soy sauce, Mirin, vinegar and Sriracha. Bring to boil and cook, stirring for 2 minutes. Add Udon noodles and toss to coat, cook until noodles are warmed through. Sprinkle top with sesame seeds.

Serves 4.