FOR THE DRESSING:
1 clove garlic
Kosher salt, to taste
⅓ cup olive oil
2 tbsp. fresh lemon juice
1 tbsp. Dijon mustard
1 shallot, minced
Freshly ground black pepper, to taste

FOR THE SALAD:
1 lb. small new potatoes, boiled until tender
6 oz. yellow baby beets, boiled until tender, peeled
6 oz. red baby beets, boiled until tender, peeled
8 oz. haricot verts, blanched
12 oz. cherry tomatoes, halved
½ cup black Niçoise olives
8 small radishes, trimmed and thinly sliced
8 salt-packed anchovies, rinsed and drained
4 hard-boiled eggs, halved lengthwise
3 (4-oz.) cans high-quality oil-packed tuna, drained
1 small cucumber, thinly sliced
½ cup loosely packed basil leaves, to garnish
¼ cup thinly sliced scallions, to garnish