Spaghetti with Tuna, Lemon, and Breadcrumbs

INGREDIENTS

Coarse salt and ground pepper

slices whole-wheat sandwich bread

1 tbsp

plus 1 teaspoon olive oil

3/4 lb

spaghetti

1 tsp

finely grated lemon zest, plus 3 tablespoons fresh lemon juice

1/2 cup

chopped fresh parsley

3 tbsp

slivered Kalamata olives

2 cans

each) chunk light tuna in water, drained