Wash the potatoes and cook in boiling water for 15-20 minutes. Meanwhile peel and halve the garlic. Pour capers into a sieve and drain. Wash parsley, dill and sage, shake dry and pluck the leaves from the stalks.
Set aside some parsley leaves for garnishing. Put the rest of the parsley, dill, sage, capers, anchovy fillets, garlic and 75 ml oil in a tall mixing bowl and puree with a blender.
Season to taste with salt, pepper and lemon juice. Drain tomatoes well and cut into strips. Drain potatoes, rinse cold and let cool for about 5 minutes. Peel and slice the potatoes, mix with Salsa Verde and tomatoes.
Clean, wash and cut the romaine lettuce into bite-sized pieces. Fold into the salad. Wash the meat and dab dry. Heat 2-3 tablespoons of oil in a frying pan and fry the meat for 10-12 minutes while turning.
Remove and season with salt and pepper. Cut the meat into slices and arrange on plates with potato salad.