In a large bowl toss together the arugula and kale. In a small container or bowl combine the olive oil, red wine vinegar, white wine vinegar, scallions, mustard, salt and pepper. Stir or shake to blend well. Drizzle the dressing over the greens to toss to coat well.
Place the butter lettuce in a large bowl. In a small container or bowl, combine the rice vinegar, lemon juice, olive oil, shallots, mustard and salt and pepper. Pour the vinaigrette over the lettuce and toss to combine.
Slice the romaine crosswise into thin strip and place in a large bowl. Add the arugula. In a small container combine the olive oil, orange juice, lemon juice, tarragon, shallots, Dijon mustard and salt and pepper.
3 Great and Really Simple Green Salads | https://themom100.com/recipe/3-great-green-salads/