1.Heat oil in a large saucepan over high heat; cook onion, garlic and fennel, stirring, until softened. Add cabbage, stock and the water; bring to the boil. Reduce heat; simmer, uncovered, 10 minutes. Add pasta; cook, stirring occasionally, until tender.
2.Add beans, peas and grated cheese to pan; cook, stirring occasionally, about 5 minutes or until heated through.
3.Serve minestrone topped with pesto, flaked cheese and reserved fennel fronds.
Fusilli are long, thick corkscrew (spiral) shaped pasta.