Radish, cucumber, tomato and butter bean salad

Ingredients

Serves 4

4 radishes, diced
½ telegraph cucumber, diced
3 tomatoes, diced
1 x 400g can butter beans, drained and rinsed
1 Tbsp lemon zest
¼ cup chopped parsley, coriander or mint
2 Tbsp lemon juice
2 Tbsp canola oil