Prepare pastry if making from ‘scratch’. Line a 8-9-inch pie pan.
Peel & core papaya, mango & pear. Cut & dice into 1/2-inch pieces. In a large bowl, combine fruit with lemon zest & juice. In a small bowl, mix cornstarch, sugar, spices & salt. Carefully mix 3/4 of dry mixture with fruit reserving remainder for later.