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bowl of tahini cauliflower on a wooden cutting board surrounded by halved lemons, parsley, and a bowl of tahini sauce

Oven Roasted Cauliflower Florets with Tahini Sauce

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  • Author: Alex Aldeborgh, RD
  • Prep Time: 5 minutes
  • Cook Time: 25 minutes
  • Total Time: 30 minutes
  • Yield: serves 6
  • Category: side dish
  • Method: oven
  • Cuisine: American, Mediterranean
  • Diet: Vegan


This roasted cauliflower with tahini sauce is an easy & healthy side dish recipe that takes 30 minutes or less to make. Cauliflower florets are seasoned simply and roasted the oven until caramelized, then drizzled with a delicious homemade lemon tahini sauce. Serve tahini cauliflower with any weeknight meal!



Roasted Cauliflower

  • 1 medium to large head of cauliflower (about 1 1/2 pounds), cut into florets
  • 1/4 tsp salt
  • 1/4 tsp sumac
  • 2 tbsp olive oil
  • 3 tbsp cilantro or parsley, chopped

Lemon Tahini Sauce

  • 1/2 cup tahini
  • Juice of 1 lemon (34 tbsp)
  • 1/2 tsp salt
  • 1/2 tsp garlic & herb seasoning
  • 1/3 cup cold water


  1. Preheat oven to 425°F.
  2. Cut the cauliflower into florets and put them on a sheet pan.
  3. Season cauliflower with salt, sumac, and olive oil. Toss it up with your hands to evenly distribute the seasoning and oil. Turn the cauliflower florets so the cut side is facing down onto the baking sheet for maximum browning.
    Seasoned cauliflower florets on a dark sheet pan before being roasted
  4. Roast cauliflower in the oven for 25-30 minutes, without mixing. Cauliflower is done when the bottoms are deeply browned and caramelized and florets are fork tender.
    Roasted cauliflower florets on a sheet pan
  5. While the cauliflower is in the oven, prepare the tahini sauce. Add tahini, lemon juice, salt, and garlic & herb seasoning to a small mixing bowl.
    Tahini sauce ingredients in a small mixing bowl
  6. Whisk everything together – the mixture will thicken up a lot.
    Whisked tahini sauce in a small bowl with a small whisk
  7. Add the cold water and whisk it into the tahini to thin it out into a smooth, drizzly sauce.
    Tahini sauce in a small bowl with a small whisk
  8. Transfer the roasted cauliflower to a serving dish.
    Roasted cauliflower florets in a serving bowl
  9. Drizzle as much tahini sauce as desired over the roasted cauliflower. Garnish with chopped herbs and enjoy!


Storing tahini cauliflower

If you have tahini cauliflower leftovers, you can store it in an airtight container in the fridge for up to three days. Reheat it in the microwave for 30 seconds to 1 minute, or until the cauliflower is warmed through.

Leftover roasted cauliflower is a delicious addition to salads or wraps, either cold or hot!

You will likely have some leftover tahini sauce. Store it in a jar in the fridge for up to two weeks. You can use leftover tahini sauce in a variety of ways: use it as a salad dressing, drizzled onto a grain bowl, spread onto sandwiches, or as a dip for veggies and pita!