3 haricot vert pistou Recipes

kosher salt, plus more for blanching beans, haricots verts (thin green beans), tops trimmed, fresh oregano leaves, garlic clove, red wine vinegar, good-quality balsamic vinegar, extra-virgin olive oil, roasted hazelnut oil, lemon zest, pepper, skinned toasted hazelnuts, heirloom tomatoes, baby arugula, tomatoes, stemmed and cut in half, creme fraiche, pistou

loosely packed fresh basil leaves, garlic cloves, minced (1 1/2 tbsp), extra-virgin olive oil, fine sea salt, red onion , halved lengthwise, then thinly sliced crosswise, haricots verts or other thin green beans, trimmed