I’ve never eaten pasta like this! Famous Italian recipe! Fast and incredibly simple

Name: I’ve never eaten pasta like this! Famous Italian recipe! Fast and incredibly simple
Ingredients: 2 onions.; Olive oil.; 600 g minced chicken.; 100g of parmesan.; 1 egg.; Salt to taste.; Black pepper to taste.; A handful of arugula.; 2 small carrots.; 200ml of water.; 120g sour cream.; 1 tbsp flour.