Coat 3 jalapeños with two tablespoons of olive oil and season with 1 pinch salt and pepper to taste. Place on lined baking sheet.
3 jalapeños, 1 pinch salt and pepper to taste, ¼ cup olive oil
Move oven rack to upper third, about 6 inches from heat source. Set broiler to high. Broil jalapeños, turning as needed, until skins are charred and blistered.
3 jalapeños
Let cool. Peel skins, remove stems, and remove seeds if less spice is desired.
3 jalapeños
Bring water to boil in steamer pot. Place 1 head cauliflower in steamer basket and steam until tender, about 7 to 10 minutes.
1 head cauliflower
Transfer cauliflower to heat-safe food processor and pulse.
1 head cauliflower
Add jalapeños, 3 cloves garlic, 4 tablespoons tahini, 2 tablespoons lime juice, ½ teaspoon kosher salt, ¼ cup fresh cilantro leaves, and remaining olive oil and pulse until desired consistency is achieved.
3 jalapeños, 4 tablespoons tahini, 2 tablespoons lime juice, ½ teaspoon kosher salt, ¼ cup fresh cilantro leaves, 3 cloves garlic
Spoon into bowl and garnish with Chili powder to taste.
Chili powder to taste