Whole mustard sandwich

Ingredients:
Whole meal bread loaf:
Whole mustard paste: 1 table spoon
Capers: few
Cherry tomatoes: 3-4
Onions: couple of slices
Rosemary or basil leaves: just enough for sprinkle
Tomato sauce: 1 tea spoon

Preparation:
Cut the bread loaf in half and toast it. Wash and slice cherry and peel onion and slice it.
Apply olive oil drizzle or not. Apply a layer of mustard paste. Apply slices of cherry tomatoes, onion, capers and hint of rosemary or basil.
On the other slice apply tomato sauce.
Enjoy the sandwich.