Marble Cobbler

1/2 cup granulated sugar
1 cup all-purpose flour
2 teaspoons baking powder
1/4 teaspoon salt
1/2 cup milk
1/2 teaspoon vanilla extract
4 cups prepared fruit
3/4 cup granulated sugar
1 tablespoon margarine
3/4 cup boiling water

Mix the 1/2 cup sugar, flour, baking powder, salt, milk and vanilla extract. Pour batter into greased 13 x 9-inch pan. Sprinkle fruit over batter; add the 3/4 cup sugar over fruit. Dot with margarine and pour boiling water over all. Bake at 375 degrees F for 40 minutes or until golden brown.