3 mit mushroom egg Recipes

onion, finely chopped, hard-boiled egg, chopped, fresh chives, snipped, white wine vinegar (or to taste), german mustard or 1 tbsp prepared brown mustard, salt, white pepper , to taste, sugar, extra virgin olive oil, white button mushrooms, sliced, fresh rocket (arugula) or 50 g watercress, cooked bacon, crumbled , as a garnish (optional)

beef tenderloin steaks (six 6-oz slices), potato, egg yolks, well beaten, ground horseradish, salt and pepper, butter, mushrooms, peeled, granny smith apples, peeled, cored and sliced