In a small glass jar with a screw-top lid, combine rice vinegar, olive oil, lemon juice, shallot, tarragon, sugar, salt, and pepper, shaking well to emulsify.
Notes
Make-Ahead Tip: Lemon-Tarragon Vinaigrette can be made a day in advance and refrigerated until needed. Let come to room temperature, and shake well to emulsify before serving.
Recipe by TeaTime Magazine at https://teatimemagazine.com/artichoke-rice-salad-bell-pepper-cups-recipe/