Line rimmed baking tray with unbleached parchment paper.
Spread veggies on prepared pan in single layer.
Drizzle with oil and sprinkle with salt and pepper.
Roast for 20 minutes.
Veggies can be made in advance and stored in an air tight container in the fridge for up to 5 days. Bring to room temp before making salad.
Make Dressing
Make sure the tahini you’re using is thoroughly mixed before measuring.
Add all ingredients, except water, to a small bowl and using a fork or whisk, mix until everything is well incorporated.
Add the water 1 Tablespoon at a time until desired consistency.
Dressing will stay good in air tight container in fridge for up to a week.
To Serve
Spread romaine onto the bottom of a large platter. Line up remaining ingredients in rows, drizzle on dressing. Alternately, place all ingredients in a large bowl, pour ½ the dressing over and toss well.