Wash the arugula and the lettuce well, cut them into large pieces, and place them in a bowl.
Add 3 tbsp of olive oil in a pan and cook the sliced mushrooms in high heat until they turn golden brown.
Make the tahini sauce by mixing all the sauce ingredients together with the spoon or the blender.
Add the sun-dried tomatoes, the mushrooms, the onion slices, and drizzle with the tahini sauce.
Roast the pine nuts for a few minutes (3-4) in high heat in a pan with 1-2 tbsp of olive oil. If you don’t have pine nuts, replace them with fresh walnuts.
Decorate the salad with pine nuts/walnuts, pomegranate, and croutons.