In a mason jar, combine the olive oil, vinegar, walnut oil, honey, salt, and pepper and shake until emulsified.
Mix the lettuce with a light coating of the salad dressing. Top with the bread crumbs, dill, parsley, and mint, and the foraged sorrel if using.
Sourdough Buttery Bread Crumbs
In a small skillet, melt the butter over medium heat. When melted, add the bread crumbs and cook, tossing continually, until golden and crisp. Transfer to a paper lined-plate and leave to cool and crisp up.