Preheat oven to 400°F, prepare pans. In a bowl, beat oil & sugar for 2 mins. Add eggs & vanilla, beat 1 min. In another bowl, stir together flour, baking soda, salt, cinnamon & ginger. Add dry mix to wet mix, stir to just combine. Stir in papaya & cashews. Spoon batter into pans & bake 20-25 mins or until done. Cool 5 mins before removing. Makes 12 muffins. These freeze well.