Prepare sauce by whisking tahini, lemon juice, maple syrup, and salt in a small mixing bowl. Add water 1 tbsp. at a time, until dressing thickness is to your liking. Taste and adjust flavor as needed. Set aside.
Arrange lettuce “boats” on a platter, and begin filling with 1-2 tbsp. of hummus. Top with lots of veggies!
Drizzle the dressing over the top, and serve!