Heat olive oil in a wide shallow pan over medium high heat until shimmering

Add beef chorizo and cook briefly until lightly browned, stirring occasionally, then transfer to a plate

Add chicken pieces to the same pan and cook until golden on all sides, seasoning lightly with salt

Push chicken to one side and add grated tomatoes and garlic, cooking until thickened and aromatic

Stir smoked paprika and saffron into the tomato mixture until fragrant

Pour in chicken broth and return chorizo with any juices to the pan

Bring to a boil and add bomba rice, spreading evenly and ensuring it is fully submerged

Cook uncovered over high heat, then gradually reduce heat and allow rice to simmer gently without stirring

Nestle shrimp into the rice during the final cooking stage and continue simmering until liquid is absorbed

Listen for a light crackling sound indicating the rice is toasting at the bottom

Remove from heat and let rest before serving with lemon wedges