In a skillet or on a sheet pan in a 400° oven roast cauliflower until tender (about 10 minutes)
Place cauliflower, along with onion, garlic, oil, spinach, red pepper, sesame seeds, lemon juice, water, salt, and pepper in a food processor and blend until smooth. Add an additional tablespoon of water or oil as needed to get a smooth consistency,
Serve spread on a dish with oil drizzled over top and crushed red pepper and black sesame seeds.
Serve with a variety of vegetables like grape tomatoes, carrot chips, yellow peppers, zucchini slices or your favorite chips or crackers.