1. To roast red bell pepper, char it on all sides directly over the flame of a gas stove. You can also roast it at 400°F until it has blistered all over. Once cooled, peel off the skin, remove the stem and seeds, and then chop.
2. Add roasted red pepper, green onions, pomegranate molasses, cumin, lemon juice, and Aleppo pepper flakes to a food processor and blend until smooth.
3. Stir in chopped walnuts.
4. Remove from food processor. Transfer into a bowl and serve with crudites.

Notes: Aleppo pepper can be found in Middle Eastern markets or food co-ops and grocery stores offering a wide selection of spices. You can substitute it with Marash pepper (smokier with a little more heat) or Antebi pepper (fruitier and milder). You may also use a mixture of equal parts of dried crushed chili flakes and sweet paprika.