Adjust the oven racks to the third level from the broiler. Heat the broiler to 550 degrees.
Place the mushrooms and asparagus into a baking pan. Top with the cream, 1/2 tsp salt and red pepper flakes (optional). Stir to combine. Top with the butter and place into the oven and broil for 4 minutes.
Remove the baking dish from the oven and add the vinegar and garlic. Stir to incorporate. Top the vegetables with an even layer of shrimp. Evenly distribute 1/2 tsp salt and freshly ground pepper to taste. Return the baking dish back to the oven and cook for 4 minutes.
Stir the shrimp cook for additional 2 to 3 minutes or until the shrimp is cooked all the way through. This time will vary depending upon the size of the shrimp used.
Remove from the oven and top with fresh basil and dill. Serve with pasta or rice and a green salad.