Wash the cucumber, trim the ends and cut it into 4 equal pieces. Cut each piece in half lengthwise.
1 cucumber
Cut the cherry tomatoes and mini mozzarella balls in half.
4 cherry tomatoes, 4 mini mozzarella balls
Spread pesto over 4 cucumber pieces. Top each with 2 tomato halves and 2 mozzarella halves. Finish with the sprouts and cover with the other cucumber half.
4 tablespoons red pesto, 2 handfuls spicy sprouts
For the boats: double the amount of pesto, tomatoes, mozzarella and sprouts.