Preheat your oven to 350F and bring a pot of water to boil for your pasta.
In a blender, add your tahini, ½ cup of vegetable broth, half your jalapeno pepper, the 6 peeled garlic cloves, and lemon juice. Blend until smooth. Add more vegetable broth as needed. You are looking for the consistency of a smooth marinara sauce. Add the rest of the jalapeno pepper if you want it to be spicier.
Cook your pasta 3 minutes less than suggested on the box. Drain and set aside.
Mix your pasta, broccoli, spinach, ⅔ of the mozzarella, spicy tahini sauce, salt, & pepper. Toss well to coat.
Transfer to a 13x9 glass baking dish. Sprinkle with the remaining mozzarella and parmesan cheese.
Bake 25-30 minutes until heated through and cheese is melted.