Heat oil in a pan and add all the chutney ingredients.Let it come to a boil.Reduce the heat, cover and cook for about 20-25 minutes until the onions and fennel are soft and caramelised.Check the seasonings.Your chutney is ready.
Mix the spices with the Shrimp and saute or grill on medium high until golden.Take out and keep aside.
Take a flat bread and spread the fennel onion chutney all over.Top with the shrimp and the mozzarella cheese.Broil on high for about 5 minutes or until you see the cheese all melted and golden.Garnish with fennel fronds and serve!