Tomato and onion base – see Butter masala sauce (or just fry off some finely chopped onion and tomato and leave as a lumpy sauce if you prefer).
Add:
Fresh Basil and Oregano – chopped
Garlic – chopped / crushed
Salt and Black pepper
Simmer to reduce. Stir in:
Small pot of Mascarpone
Some grated parmesan
Warm through until melted.