INGREDIENTS
•
Serves 4
•
For the French vinaigrette:
•
1 cup canola oil
•
1/4 cup white vinegar
•
1/4 cup cider vinegar
•
2 teaspoons Dijon mustard
•
1 large garlic clove, smashed
•
1/4 teaspoon mustard powder
•
1/4 teaspoon lemon-pepper spice mix (see Recipe Note)
•
Kosher salt and freshly ground black pepper
•
For the salad:
•
1 pound fingerling potatoes
•
8 ounces green beans or haricot verts
•
3 tablespoons unsalted butter, divided (melted or at room temperature)
•
3 (4 1/2 ounce) cans tuna packed in olive oil, drained
•
4 large hard-boiled eggs, sliced
•
2 ripe tomatoes, quartered
•
Niçoise olives (optional)
•
3 cups salad greens