2 tablespoons olive oil
2 tablespoons plain low-fat yogurt
1 tablespoon white wine vinegar
1 1/2 teaspoons fresh lemon juice
3/4 teaspoon Dijon mustard
1 small clove garlic
Kosher salt and freshly ground black pepper
2 zucchinis, spiralized
One 5-ounce can tuna, such as Wild Planet
1/2 pint grape tomatoes, halved
10 green beans, trimmed, halved and boiled until just tender
2 tablespoons chopped fresh herbs, such as parsley, mint and basil
2 hard-cooked eggs, cut into wedges