Eggs Benedict with butter

3 tablespoons butter 2 1/2 cups mushrooms , sliced 1 (1 ounce) envelope hollandaise sauce mix, such as Knorr 3/4 cup milk 3 tablespoons sun-dried tomatoes ,[...]

2 large tomatoes olive oil , for drizzling thyme leaves rock salt fresh ground black pepper 1 Slice tomatoes in half, scoop out the seeds and discard. Season[...]