Rinse the spelt under water and drain. Bring water to a boil and cook on medium heat (according to package instructions), about 50 minutes or until tender. Drain well
Preheat oven to 350F
Wash the carrots and cut them into slices. Place in a bowl, season with salt and pepper, and coat with oil and half of the orange juice. Spread out on an oven tray and cook in the oven for about 30 minutes, or until tender and roasted and fragrant.
For the radicchio, separate the leaves, wash and dry them well. Torn the leaves into eatable pieces.
For the dressing simply, combine yogurt, tahini, the rest of the orange juice, zest, vinegar and garlic. Mix until smooth and season to taste
To assemble the salad, stir together the spelt, radicchio, roasted carrots and greens. Serve with the dressing. Serve!