Learn how to make a delicious panini recipe with tuna, onion, olives and mozzarella cheese. A panini is a quick, easy and tasty snack with a great flavor, and one of the best party appetizers. Food lovers will surely enjoy this recipe!

▼ INGREDIENTS LIST:

- 1 small pre-baked baguette
- 2 cans of tuna (drained)
- 1/4 onion, cut in strips
- Tomato sauce
- 2 mozzarella cheese slices
- Grated mozzarella cheese
- Black or green olives, without pits
- Oregano