+ elementals:
 
Black peppercorns in a grinder
+ equipment :  
Grill, breadknife, tin opener, tablespoon.
1) Split the section of french stick lengthwise. Toast lightly under the grill.
2) Spread tomato sauce on the toast and place tuna generously on top.
3) Return to the grill until the fish is warmed through. Grind black pepper and sprinkle mixed herbs to taste.
IngrediPlus: You can add grated cheese. No, really!