Created by ImPat on January 5, 2018
Step 1: Heat the toil in a large ovenproof frying pan over medium heat and add the onion and cook, stirring for 3 minutes or until softened and then add the meatballs and cook, turning occasionally. for 5 minutes or until meatballs are browned all over.
Step 2: Add the passata and cook, stirring occasionally, for 5 minutes or until the meatballs are cooked through and then remove from heat and stir in the spinach and arrange the mozzarella over the passata mixture,
Step 3: Preheat the grill /broiler on high and place the frying pan under grill/broiler and cook for 3 minutes or until the mozzarella melts and is golden brown.