Roast sesame seeds in a saucepan over low-medium heat. Stir constantly until they are lightly golden.
Transfer seeds to a blender. Add in olive oil and salt. Blend for 1-2 minutes.
Cook cauliflower florets in water until softened then drain the water. Alternatively, you can also roast cauliflower in the oven to give it a smoky flavor. Add cooked cauliflower to the blender with tahini then add garlic, salt, olive oil, and lemon juice. Blend until smooth and homogeneous.
Transfer the hummus to a bowl. Top with smoked paprika and serve with your favorite low carb dish.