Tuna Fish Salad with White Beans

2 6oz cans albacore tuna, packed in olive oil
2 15 o cans cannellini white beans, drained and rinsed
1/3 cup small capers, drained and rinsed
6 tbl red wine vinegar
1 medium red onion, sliced thin
1.5 c cherry tomatoes
2 cups fresh arugula
6 fresh basil leaves
sea salt
black peper

Add tuna to large bowl and reserve olive oil. Break tuna into small pieces and add beans and capers. Mix 1 part red wine vinegar to 2 parts olive oil and season w/ salt and pepper. Pour dressing onto tuna mixture and allow to infuse. Add onion and tomatoes and toss gently. Serve over fresh argula and tear basil over the top.