Fresh Mango Cobbler

2/3 cup sugar
1 tablespoon cornstarch
1 cup water
3 cups sliced mangos
1 cup flour
1 teaspoon lemon juice
1 tablespoon granulated sugar mixed with 1 teaspoon cinnamon
1 1/2 teaspoon baking powder
1/2 teaspoon salt
3 tablespoons shortening
1/2 cup milk
1 1/2 teaspoon margarine

Directions

Mix sugar and cornstarch in saucepan , gradually stir in water and fruit and lemon juice.Heat, stirring well. Pour into 1 1/2qt. Baking dish; dot with margarine and sprinkle sugar cinnamon mixture over the top.