Fideuá de gambas y calamares
garlic • white onion • grated fresh tomato • –14 oz medium peeled shrimp (350–400 g) • cleaned squid, cut into pieces (250 g; frozen is fine) • olive oil • Sweet paprika powder, to taste • yellow food coloring • fideuá noodles per person (100 g) • or more fish stock (from a 1-liter carton) • Salt, to taste