Paella Verde

Name: Paella Verde
Ingredients: 6¾ cups vegetable stock; 0.3 g (medium-large pinch) saffron; ½ cup extra virgin olive oil; 2 scallions, cut into ¾ in pieces; ½ head of broccoli, stem chopped and head broken into florets; 3 artichokes, halved; 1 zucchini, cut into ½-inch slices; 7 garlic cloves, finely chopped; 1 Tbsp. sweet smoked paprika; 1 tomato, grated; 2 cups Spanish paella rice; 100 g (3½ oz.) baby spinach, washed; 2 sprigs of flat-leaf parsley, finely chopped; 2 sprigs of thyme, leaves picked; Salt, to taste